he was also in:

Airport '75 (un-credited)
Banning (un-credited)
Mr. Garlund (a TV series, 1960)
All the Young Men (1960)
Seven Guns to Mesa (1958)
Zero Hour! (1957)

As well as Guest Apperances on these TV shows:

Emergency, Hawaii Five-O
The Barbara Stanwyck Show
Sea Hunt
Cheyenne
Goodyear Theatre

How 'bout a hint on the second reason? Unless of course you or your mother were background extras.

Jim