Leonard P. Geer (May 9, 1914 - January 9, 1989) was an American actor and stuntman. He appeared in many Western films and shows, usually in background roles. Notably he starred as ranch hand Ollie in the first two serials of The Adventures of Spin and Marty (1955 - 1956). Geer also was noted for his stunt work on films such as North by Northwest (1959), The Birds (1963), The Blues Brothers (1980), Breathless (1983), and Scarface (1983). He served as a stunt double for actors Robert Mitchum and George Montgomery.