I Married a Munchkin 1994
as Himself
We're Off to See the Munchkins 1993
The Lost Weekend 1945
as Baby (uncredited)
The Terror of Tiny Town 1938
as The Barber (Sammy) (as Karl Casitzky)
Bringing Up Baby 1938
as Midget (uncredited)
They Gave Him a Gun 1937
as Bit Part (uncredited)
Credits from TMDB.