❔ Casting range to bytes?

byte[] bytes = Enumerable.Range(0, 256).Cast<byte>().ToArray();

byte[] bytes = Enumerable.Range(0, 256).Cast<byte>().ToArray();

The result:

System.InvalidCastException : Unable to cast object of type 'System.Int32' to type 'System.Byte'.

System.InvalidCastException : Unable to cast object of type 'System.Int32' to type 'System.Byte'.

Why?
This should work!
Why doesn't this work!?