diff --git a/Code/Editor/Plugins/EditorCommon/DrawingPrimitives/TimeSlider.cpp b/Code/Editor/Plugins/EditorCommon/DrawingPrimitives/TimeSlider.cpp
index 4774520d0c..291723ff6b 100644
--- a/Code/Editor/Plugins/EditorCommon/DrawingPrimitives/TimeSlider.cpp
+++ b/Code/Editor/Plugins/EditorCommon/DrawingPrimitives/TimeSlider.cpp
@@ -12,6 +12,8 @@
 #include <QPainter>
 #include <QPalette>
 
+#include <AzCore/Casting/numeric_cast.h>
+
 namespace DrawingPrimitives
 {
     void DrawTimeSlider(QPainter& painter, const QPalette& palette, const STimeSliderOptions& options)
diff --git a/Code/Tools/ProjectManager/Source/GemCatalog/GemModel.cpp b/Code/Tools/ProjectManager/Source/GemCatalog/GemModel.cpp
index a15dffdc94..3781106bdc 100644
--- a/Code/Tools/ProjectManager/Source/GemCatalog/GemModel.cpp
+++ b/Code/Tools/ProjectManager/Source/GemCatalog/GemModel.cpp
@@ -8,6 +8,7 @@
 
 #include <AzCore/std/string/string.h>
 #include <GemCatalog/GemModel.h>
+#include <AzCore/Casting/numeric_cast.h>
 
 namespace O3DE::ProjectManager
 {
diff --git a/Gems/Atom/RHI/Code/Include/Atom/RHI.Reflect/ShaderSemantic.h b/Gems/Atom/RHI/Code/Include/Atom/RHI.Reflect/ShaderSemantic.h
index da791bddfb..ee6e0feeb6 100644
--- a/Gems/Atom/RHI/Code/Include/Atom/RHI.Reflect/ShaderSemantic.h
+++ b/Gems/Atom/RHI/Code/Include/Atom/RHI.Reflect/ShaderSemantic.h
@@ -9,6 +9,7 @@
 
 #include <AzCore/Name/Name.h>
 #include <AzCore/Utils/TypeHash.h>
+#include <AzCore/Casting/numeric_cast.h>
 
 namespace AZ
 {
diff --git a/Gems/Atom/RHI/Code/Include/Atom/RHI/DispatchItem.h b/Gems/Atom/RHI/Code/Include/Atom/RHI/DispatchItem.h
index 93ff1e85b7..72f190dcc8 100644
--- a/Gems/Atom/RHI/Code/Include/Atom/RHI/DispatchItem.h
+++ b/Gems/Atom/RHI/Code/Include/Atom/RHI/DispatchItem.h
@@ -10,6 +10,7 @@
 #include <Atom/RHI.Reflect/Limits.h>
 #include <Atom/RHI/IndirectArguments.h>
 #include <AzCore/std/containers/array.h>
+#include <AzCore/Casting/numeric_cast.h>
 
 namespace AZ
 {
diff --git a/Gems/Multiplayer/Code/Source/Debug/MultiplayerDebugByteReporter.cpp b/Gems/Multiplayer/Code/Source/Debug/MultiplayerDebugByteReporter.cpp
index 45305e3b39..7f904479d1 100644
--- a/Gems/Multiplayer/Code/Source/Debug/MultiplayerDebugByteReporter.cpp
+++ b/Gems/Multiplayer/Code/Source/Debug/MultiplayerDebugByteReporter.cpp
@@ -8,6 +8,8 @@
 
 #include "MultiplayerDebugByteReporter.h"
 
+#include <AzCore/Casting/numeric_cast.h>
+
 #include <iomanip> // for std::setfill
 #include <sstream>
 #include <AzCore/std/sort.h>
diff --git a/Gems/MultiplayerCompression/Code/Source/LZ4Compressor.h b/Gems/MultiplayerCompression/Code/Source/LZ4Compressor.h
index fc0c9e1089..640cf03ee4 100644
--- a/Gems/MultiplayerCompression/Code/Source/LZ4Compressor.h
+++ b/Gems/MultiplayerCompression/Code/Source/LZ4Compressor.h
@@ -10,6 +10,7 @@
 
 #include <AzCore/Memory/SystemAllocator.h>
 #include <AzNetworking/Framework/ICompressor.h>
+#include <AzCore/Casting/numeric_cast.h>
 
 namespace MultiplayerCompression
 {
diff --git a/Gems/SceneProcessing/Code/Source/Generation/Components/MeshOptimizer/MeshBuilderSubMesh.cpp b/Gems/SceneProcessing/Code/Source/Generation/Components/MeshOptimizer/MeshBuilderSubMesh.cpp
index 170549a25d..c10a8fb2ed 100644
--- a/Gems/SceneProcessing/Code/Source/Generation/Components/MeshOptimizer/MeshBuilderSubMesh.cpp
+++ b/Gems/SceneProcessing/Code/Source/Generation/Components/MeshOptimizer/MeshBuilderSubMesh.cpp
@@ -7,6 +7,7 @@
  */
 
 #include <AzCore/Memory/SystemAllocator.h>
+#include <AzCore/Casting/numeric_cast.h>
 #include "MeshBuilder.h"
 #include "MeshBuilderSkinningInfo.h"
 #include "MeshBuilderSubMesh.h"