diff --git a/Plugins/Json/src/GridJsonConverter.cpp b/Plugins/Json/src/GridJsonConverter.cpp
index 23fd57d7045..47849de5730 100644
--- a/Plugins/Json/src/GridJsonConverter.cpp
+++ b/Plugins/Json/src/GridJsonConverter.cpp
@@ -10,6 +10,7 @@
 
 #include "Acts/Plugins/Json/AlgebraJsonConverter.hpp"
 #include "Acts/Plugins/Json/UtilitiesJsonConverter.hpp"
+#include "Acts/Utilities/CheckedCast.hpp"
 #include "Acts/Utilities/IAxis.hpp"
 
 nlohmann::json Acts::AxisJsonConverter::toJson(const IAxis& ia) {
@@ -52,7 +53,8 @@ void encodeSubspace(
     nlohmann::json& jGlobalToGridLocal,
     const Acts::GridAccess::IGlobalToGridLocal& globalToGridLocal,
     const Subspace& /*subspace*/) {
-  const Subspace* subspace = dynamic_cast<const Subspace*>(&globalToGridLocal);
+  const Subspace* subspace =
+      Acts::checked_cast<const Subspace*>(&globalToGridLocal);
   if (subspace != nullptr) {
     jGlobalToGridLocal["type"] = "subspace";
     jGlobalToGridLocal["accessors"] = subspace->bValues;
@@ -65,7 +67,7 @@ void encodeTransformedSubspace(
     const Acts::GridAccess::IGlobalToGridLocal& globalToGridLocal,
     const Subspace& subscpace) {
   const Acts::GridAccess::Affine3Transformed<Subspace>* tsubspace =
-      dynamic_cast<const Acts::GridAccess::Affine3Transformed<Subspace>*>(
+      Acts::checked_cast<const Acts::GridAccess::Affine3Transformed<Subspace>*>(
           &globalToGridLocal);
   if (tsubspace != nullptr) {
     encodeSubspace(jGlobalToGridLocal, tsubspace->globalToGridLocal, subscpace);
@@ -409,35 +411,40 @@ nlohmann::json Acts::GridAccessJsonConverter::toJson(
   nlohmann::json jBoundToGridLocal;
 
   auto localSubSpace0 =
-      dynamic_cast<const GridAccess::LocalSubspace<0u>*>(&boundToGridLocal);
+      Acts::checked_cast<const GridAccess::LocalSubspace<0u>*>(
+          &boundToGridLocal);
   if (localSubSpace0 != nullptr) {
     jBoundToGridLocal["type"] = "subspace";
     jBoundToGridLocal["accessors"] = localSubSpace0->accessors;
   }
 
   auto localSubSpace1 =
-      dynamic_cast<const GridAccess::LocalSubspace<1u>*>(&boundToGridLocal);
+      Acts::checked_cast<const GridAccess::LocalSubspace<1u>*>(
+          &boundToGridLocal);
   if (localSubSpace1 != nullptr) {
     jBoundToGridLocal["type"] = "subspace";
     jBoundToGridLocal["accessors"] = localSubSpace1->accessors;
   }
 
   auto localSubSpace01 =
-      dynamic_cast<const GridAccess::LocalSubspace<0u, 1u>*>(&boundToGridLocal);
+      Acts::checked_cast<const GridAccess::LocalSubspace<0u, 1u>*>(
+          &boundToGridLocal);
   if (localSubSpace01 != nullptr) {
     jBoundToGridLocal["type"] = "subspace";
     jBoundToGridLocal["accessors"] = localSubSpace01->accessors;
   }
 
   auto localSubSpace10 =
-      dynamic_cast<const GridAccess::LocalSubspace<1u, 0u>*>(&boundToGridLocal);
+      Acts::checked_cast<const GridAccess::LocalSubspace<1u, 0u>*>(
+          &boundToGridLocal);
   if (localSubSpace10 != nullptr) {
     jBoundToGridLocal["type"] = "subspace";
     jBoundToGridLocal["accessors"] = localSubSpace10->accessors;
   }
 
   auto boundCylinderToZPhi =
-      dynamic_cast<const GridAccess::BoundCylinderToZPhi*>(&boundToGridLocal);
+      Acts::checked_cast<const GridAccess::BoundCylinderToZPhi*>(
+          &boundToGridLocal);
   if (boundCylinderToZPhi != nullptr) {
     jBoundToGridLocal["type"] = "cylinder_to_zphi";
     jBoundToGridLocal["radius"] = boundCylinderToZPhi->radius;
diff --git a/Tests/UnitTests/Core/Geometry/PortalLinkTests.cpp b/Tests/UnitTests/Core/Geometry/PortalLinkTests.cpp
index fd87545d4f0..3ac2579ca67 100644
--- a/Tests/UnitTests/Core/Geometry/PortalLinkTests.cpp
+++ b/Tests/UnitTests/Core/Geometry/PortalLinkTests.cpp
@@ -24,6 +24,7 @@
 #include "Acts/Surfaces/SurfaceMergingException.hpp"
 #include "Acts/Tests/CommonHelpers/FloatComparisons.hpp"
 #include "Acts/Utilities/AxisFwd.hpp"
+#include "Acts/Utilities/CheckedCast.hpp"
 #include "Acts/Utilities/ThrowAssert.hpp"
 
 #include <cstdio>
@@ -159,7 +160,7 @@ BOOST_AUTO_TEST_CASE(Cylinder) {
     Axis axis2Expected{AxisBound, -100_mm, 100_mm, 10};
     BOOST_CHECK_EQUAL(*axis2, axis2Expected);
 
-    auto& concrete = dynamic_cast<
+    auto& concrete = Acts::checked_cast<
         GridPortalLinkT<decltype(axis1Expected), decltype(axis2Expected)>&>(
         *grid2dCyl1);
 
@@ -176,7 +177,7 @@ BOOST_AUTO_TEST_CASE(Cylinder) {
     BOOST_CHECK_EQUAL(*axis1, axis1Explicit);
     BOOST_CHECK_EQUAL(*axis2, axis2Expected);
 
-    auto& concrete2 = dynamic_cast<
+    auto& concrete2 = Acts::checked_cast<
         GridPortalLinkT<decltype(axis1Explicit), decltype(axis2Expected)>&>(
         *grid2dCyl1Explicit);
 
@@ -207,8 +208,8 @@ BOOST_AUTO_TEST_CASE(Cylinder) {
     BOOST_CHECK_EQUAL(*axis2Phi, axis2PhiExpected);
 
     auto& concrete3 =
-        dynamic_cast<GridPortalLinkT<decltype(axis1PhiExpected),
-                                     decltype(axis2PhiExpected)>&>(
+        Acts::checked_cast<GridPortalLinkT<decltype(axis1PhiExpected),
+                                           decltype(axis2PhiExpected)>&>(
             *grid2dCylPhi);
 
     checkAllBins(concrete3);
@@ -223,8 +224,8 @@ BOOST_AUTO_TEST_CASE(Cylinder) {
     BOOST_CHECK_EQUAL(*axis2Phi, axis2PhiExpected);
 
     auto& concrete4 =
-        dynamic_cast<GridPortalLinkT<decltype(axis1PhiExplicit),
-                                     decltype(axis2PhiExpected)>&>(
+        Acts::checked_cast<GridPortalLinkT<decltype(axis1PhiExplicit),
+                                           decltype(axis2PhiExpected)>&>(
             *grid2dCylPhiExplicit);
 
     checkAllBins(concrete4);
@@ -362,8 +363,9 @@ BOOST_AUTO_TEST_CASE(Disc) {
     BOOST_CHECK_EQUAL(axis2->getBoundaryType(), AxisBoundaryType::Closed);
 
     checkAllBins(
-        dynamic_cast<GridPortalLinkT<decltype(axisPhi1Expected),
-                                     Axis<Equidistant, Closed>>&>(*grid2d));
+        Acts::checked_cast<GridPortalLinkT<decltype(axisPhi1Expected),
+                                           Axis<Equidistant, Closed>>&>(
+            *grid2d));
 
     Axis axis2Explicit{AxisClosed, -180_degree, 180_degree, 3};
     auto grid2dExplicit = grid1->extendTo2d(&axis2Explicit);
@@ -374,8 +376,8 @@ BOOST_AUTO_TEST_CASE(Disc) {
     BOOST_CHECK_EQUAL(*axis1, axis1Expected);
     BOOST_CHECK_EQUAL(*axis2, axis2Explicit);
 
-    checkAllBins(dynamic_cast<GridPortalLinkT<decltype(axisPhi1Expected),
-                                              decltype(axis2Explicit)>&>(
+    checkAllBins(Acts::checked_cast<GridPortalLinkT<decltype(axisPhi1Expected),
+                                                    decltype(axis2Explicit)>&>(
         *grid2dExplicit));
 
     auto gridPhiBinnedInR = GridPortalLink::make(
@@ -396,8 +398,8 @@ BOOST_AUTO_TEST_CASE(Disc) {
                       AxisBoundaryType::Bound);
 
     checkAllBins(
-        dynamic_cast<GridPortalLinkT<decltype(gridPhiBinnedInRExpected),
-                                     Axis<Equidistant, Bound>>&>(
+        Acts::checked_cast<GridPortalLinkT<decltype(gridPhiBinnedInRExpected),
+                                           Axis<Equidistant, Bound>>&>(
             *grid2dPhiNonClosed));
 
     Axis axisPhiNonClosedExplicit{AxisBound, -45_degree, 45_degree, 3};
@@ -410,10 +412,10 @@ BOOST_AUTO_TEST_CASE(Disc) {
     BOOST_CHECK_EQUAL(*grid2dPhiNonClosedExplicit->grid().axes().front(),
                       gridPhiBinnedInRExpected);
 
-    checkAllBins(
-        dynamic_cast<GridPortalLinkT<decltype(gridPhiBinnedInRExpected),
-                                     decltype(axisPhiNonClosedExplicit)>&>(
-            *grid2dPhiNonClosedExplicit));
+    checkAllBins(Acts::checked_cast<
+                 GridPortalLinkT<decltype(gridPhiBinnedInRExpected),
+                                 decltype(axisPhiNonClosedExplicit)>&>(
+        *grid2dPhiNonClosedExplicit));
 
     auto grid2dPhi = gridPhi->extendTo2d(nullptr);
     BOOST_REQUIRE(grid2dPhi);
@@ -423,8 +425,9 @@ BOOST_AUTO_TEST_CASE(Disc) {
     BOOST_CHECK_EQUAL(*grid2dPhi->grid().axes().back(), axisPhi1Expected);
 
     checkAllBins(
-        dynamic_cast<GridPortalLinkT<decltype(axis2dPhiExpected),
-                                     decltype(axisPhi1Expected)>&>(*grid2dPhi));
+        Acts::checked_cast<GridPortalLinkT<decltype(axis2dPhiExpected),
+                                           decltype(axisPhi1Expected)>&>(
+            *grid2dPhi));
 
     Axis axis2dPhiExplicit{AxisBound, 30_mm, 100_mm, 3};
     auto grid2dPhiExplicit = gridPhi->extendTo2d(&axis2dPhiExplicit);
@@ -435,9 +438,10 @@ BOOST_AUTO_TEST_CASE(Disc) {
     BOOST_CHECK_EQUAL(*grid2dPhiExplicit->grid().axes().back(),
                       axisPhi1Expected);
 
-    checkAllBins(dynamic_cast<GridPortalLinkT<decltype(axisPhi1Expected),
-                                              decltype(axis2dPhiExplicit)>&>(
-        *grid2dPhiExplicit));
+    checkAllBins(
+        Acts::checked_cast<GridPortalLinkT<decltype(axisPhi1Expected),
+                                           decltype(axis2dPhiExplicit)>&>(
+            *grid2dPhiExplicit));
   }
 
   BOOST_TEST_CONTEXT("2D") {
@@ -1465,7 +1469,8 @@ BOOST_AUTO_TEST_CASE(BinFilling) {
     using merged_type =
         GridPortalLinkT<Axis<AxisType::Equidistant, AxisBoundaryType::Bound>>;
 
-    const auto* merged = dynamic_cast<const merged_type*>(mergedPtr.get());
+    const auto* merged =
+        Acts::checked_cast<const merged_type*>(mergedPtr.get());
     BOOST_REQUIRE(merged);
 
     grid1->printContents(std::cout);
@@ -1503,7 +1508,8 @@ BOOST_AUTO_TEST_CASE(BinFilling) {
     using merged_type =
         GridPortalLinkT<Axis<AxisType::Equidistant, AxisBoundaryType::Bound>>;
 
-    const auto* merged = dynamic_cast<const merged_type*>(mergedPtr.get());
+    const auto* merged =
+        Acts::checked_cast<const merged_type*>(mergedPtr.get());
     BOOST_REQUIRE(merged);
 
     grid1->printContents(std::cout);
@@ -1655,7 +1661,8 @@ BOOST_AUTO_TEST_CASE(BinFilling) {
         GridPortalLinkT<Axis<AxisType::Equidistant, AxisBoundaryType::Bound>,
                         Axis<AxisType::Equidistant, AxisBoundaryType::Bound>>;
 
-    const auto* merged = dynamic_cast<const merged_type*>(mergedPtr.get());
+    const auto* merged =
+        Acts::checked_cast<const merged_type*>(mergedPtr.get());
     BOOST_REQUIRE(merged);
     checkCheckerBoard(merged->grid());
 
@@ -1666,7 +1673,7 @@ BOOST_AUTO_TEST_CASE(BinFilling) {
     mergedPtr = GridPortalLink::merge(*discPhiGrid1, *discPhiGrid2,
                                       BinningValue::binR, *logger);
 
-    merged = dynamic_cast<const merged_type*>(mergedPtr.get());
+    merged = Acts::checked_cast<const merged_type*>(mergedPtr.get());
     BOOST_REQUIRE(merged);
 
     const auto* v1 = vol1.get();
@@ -1728,7 +1735,8 @@ BOOST_AUTO_TEST_CASE(BinFilling) {
         GridPortalLinkT<Axis<AxisType::Equidistant, AxisBoundaryType::Bound>,
                         Axis<AxisType::Equidistant, AxisBoundaryType::Bound>>;
 
-    const auto* merged = dynamic_cast<const merged_type*>(mergedPtr.get());
+    const auto* merged =
+        Acts::checked_cast<const merged_type*>(mergedPtr.get());
     BOOST_REQUIRE(merged);
 
     checkCheckerBoard(merged->grid());
@@ -1739,7 +1747,7 @@ BOOST_AUTO_TEST_CASE(BinFilling) {
 
     mergedPtr =
         GridPortalLink::merge(*grid1, *grid2, BinningValue::binPhi, *logger);
-    merged = dynamic_cast<const merged_type*>(mergedPtr.get());
+    merged = Acts::checked_cast<const merged_type*>(mergedPtr.get());
     BOOST_REQUIRE(merged);
 
     const auto* v1 = vol1.get();
@@ -2013,7 +2021,7 @@ BOOST_AUTO_TEST_CASE(PhiDirection) {
       GridPortalLinkT<Axis<AxisType::Equidistant, AxisBoundaryType::Bound>,
                       Axis<AxisType::Equidistant, AxisBoundaryType::Bound>>;
 
-  const auto* merged = dynamic_cast<const merged_type*>(mergedPtr.get());
+  const auto* merged = Acts::checked_cast<const merged_type*>(mergedPtr.get());
   BOOST_REQUIRE_NE(merged, nullptr);
 
   BOOST_CHECK_EQUAL(merged->grid().axes().size(), 2);
diff --git a/Tests/UnitTests/Plugins/Json/GridJsonConverterTests.cpp b/Tests/UnitTests/Plugins/Json/GridJsonConverterTests.cpp
index cac514a18ac..5fb306c990e 100644
--- a/Tests/UnitTests/Plugins/Json/GridJsonConverterTests.cpp
+++ b/Tests/UnitTests/Plugins/Json/GridJsonConverterTests.cpp
@@ -10,6 +10,7 @@
 
 #include "Acts/Plugins/Json/GridJsonConverter.hpp"
 #include "Acts/Tests/CommonHelpers/FloatComparisons.hpp"
+#include "Acts/Utilities/CheckedCast.hpp"
 #include "Acts/Utilities/GridAccessHelpers.hpp"
 #include "Acts/Utilities/GridAxisGenerators.hpp"
 
@@ -257,7 +258,7 @@ namespace {
 template <typename ReferenceType, typename CheckTypeUniquePtr>
 bool checkType(const ReferenceType& /**unused*/,
                const CheckTypeUniquePtr& g2l) {
-  return (dynamic_cast<const ReferenceType*>(g2l.get()) != nullptr);
+  return (Acts::checked_cast<const ReferenceType*>(g2l.get()) != nullptr);
 }
 
 template <typename SubspactTuple>
@@ -476,7 +477,7 @@ BOOST_AUTO_TEST_CASE(BoundCylinderToZPhiTest) {
   BOOST_REQUIRE(boundCylinderToZPhiRead != nullptr);
 
   const Acts::GridAccess::BoundCylinderToZPhi* bct =
-      dynamic_cast<const Acts::GridAccess::BoundCylinderToZPhi*>(
+      Acts::checked_cast<const Acts::GridAccess::BoundCylinderToZPhi*>(
           boundCylinderToZPhiRead.get());
 
   auto delegate =