This isn't the first time that Monte Markham played a man and his double. In The Second Hundred Years (1967), he played a man who had been in suspended animation for 100 years because he had been frozen, and the man's grandson who looked exactly like him.
Katherine Justice's second of four appearances on Barnaby Jones.
As disc jockey Rick Hatfield, Monte Markham does vocal impersonations of classic stars Bela Lugosi and W.C. Fields.
Walker Edmonton's second of five appearances on Barnaby Jones.
Buddy Ebsen appeared on The Carol Burnett Show the same week this aired.