Aka, John Day - he was a stunt man, stunt coordinator, and actor, mostly in smaller roles, though he was the lead in the 1946 B-movie, Detour to Danger.
Spartacus
Capua Guard (uncredited)
Strangers on a Train
Detective at Merry-Go-Round (uncredited)
Sunset in the West
The Pride of the Yankees
Reporter in Hospital (uncredited)
20,000 Leagues Under the Sea
Nautilus Seaman (uncredited)
Seven Brides for Seven Brothers
Member of Second Barn Raising Team (uncredited)
Where the Sidewalk Ends
Scalise Hoodlum (uncredited)
Von Ryan's Express
American POW