diff --git a/src/backends/reference/workloads/RefCastWorkload.cpp b/src/backends/reference/workloads/RefCastWorkload.cpp
index 7080415..8f2a725 100644
--- a/src/backends/reference/workloads/RefCastWorkload.cpp
+++ b/src/backends/reference/workloads/RefCastWorkload.cpp
@@ -26,15 +26,38 @@
 namespace armnn
 {
 
-    void RefCastWorkload::Execute() const
-    {
-        ARMNN_SCOPED_PROFILING_EVENT(Compute::CpuRef, "RefCastWorkload_Execute");
-        const TensorInfo& inputInfo = GetTensorInfo(m_Data.m_Inputs[0]);
-        const TensorInfo& outputInfo = GetTensorInfo(m_Data.m_Outputs[0]);
+void RefCastWorkload::Execute() const
+{
+    Execute(m_Data.m_Inputs, m_Data.m_Outputs);
+}
 
-        Cast(*MakeDecoder<float>(inputInfo, m_Data.m_Inputs[0]->Map()),
-             *MakeEncoder<float>(outputInfo, m_Data.m_Outputs[0]->Map()),
-             inputInfo.GetNumElements());
+void RefCastWorkload::ExecuteAsync(WorkingMemDescriptor &workingMemDescriptor)
+{
+    Execute(workingMemDescriptor.m_Inputs, workingMemDescriptor.m_Outputs);
+}
+
+void RefCastWorkload::Execute(std::vector<ITensorHandle*> inputs, std::vector<ITensorHandle*> outputs) const
+{
+    ARMNN_SCOPED_PROFILING_EVENT(Compute::CpuRef, "RefCastWorkload_Execute");
+
+    TensorInfo inputTensorInfo(GetTensorInfo(inputs[0]));
+    TensorInfo outputTensorInfo(GetTensorInfo(outputs[0]));
+
+    // Quantization info should set to default values.
+    if (inputTensorInfo.IsQuantized())
+    {
+        inputTensorInfo.SetQuantizationScale(1.0f);
+        inputTensorInfo.SetQuantizationOffset(0);
     }
+    if (outputTensorInfo.IsQuantized())
+    {
+        outputTensorInfo.SetQuantizationScale(1.0f);
+        outputTensorInfo.SetQuantizationOffset(0);
+    }
+
+    Cast(*MakeDecoder<float>(inputTensorInfo, inputs[0]->Map()),
+         *MakeEncoder<float>(outputTensorInfo, outputs[0]->Map()),
+         inputTensorInfo.GetNumElements());
+}
 
 } //namespace armnn
\ No newline at end of file
diff --git a/src/backends/reference/workloads/RefCastWorkload.hpp b/src/backends/reference/workloads/RefCastWorkload.hpp
index 6742ef0..870fb41 100644
--- a/src/backends/reference/workloads/RefCastWorkload.hpp
+++ b/src/backends/reference/workloads/RefCastWorkload.hpp
@@ -18,6 +18,9 @@
 public:
     using BaseWorkload<CastQueueDescriptor>::BaseWorkload;
     void Execute() const override;
+    void ExecuteAsync(WorkingMemDescriptor& workingMemDescriptor)  override;
+private:
+    void Execute(std::vector<ITensorHandle*> inputs, std::vector<ITensorHandle*> outputs) const;
 };
 
 } //namespace armnn