Which character did Bill Bixby play in the 1963 sitcom My Favorite Martian?

Bill Bixby did not play a character in the 1963 sitcom "My Favorite Martian."

The role of the Martian, "Uncle Martin," was played by Ray Walston.

Bill Bixby was known for his roles in the TV series "The Courtship of Eddie's Father" and "The Incredible Hulk."