Otto Diamant Filmography
- Actor (14 credits)
- Lisztomania (1975) Felix Mendelsohn
- Mahler (1974) Professor Sladky
- Savage Messiah (1972) Mr. Saltzman
- Fiddler on the Roof (1971) Yussel, not listed in credits
- All the Right Noises (1971) Conductor
- Praise Marx and Pass the Ammunition (1970) Italian
- The Ugliest Girl in Town (1968) Abel Harper
- Hammerhead (1968) Joa
- Dance of the Vampires (1967) Woodcutter
- So Evil, So Young (1961) Moran
- Man from Interpol (1960) Brandt
- Blood of the Vampire (1958) Gravedigger
- Count Five and Die (1957) Mr. Hendrijk
- The Schirmer Inheritance (1957) Heingst
