- Spoke Spanish, French, Italian and Chinese.
- Had three different wives during the run of Combat! (1962).
- Had to end his first TV series, The Case of the Dangerous Robin (1960), because of injuring the sciatic nerve in his back while picking up something off the floor during a filming break.
- Enjoyed flying, hunting, fishing and underwater swimming.
- Played guitar.
- His ex-wife, Shirley, was the ex-wife of Johnny Johnston.
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