Filmography
| Role | Title | Year | Character |
|---|---|---|---|
| Actor | Gremlins 2 - Die Rückkehr der kleinen Monster | 1990 | Brain Gremlin (voice) |
| Actor | The King of Comedy | 1983 | Himself |
| Actor | Down with Love - Zum Teufel mit der Liebe | 2003 | Theodore Banner |
| Actor | Was Sie schon immer über Sex wissen wollten, aber bisher nicht zu fragen wagten | 1972 | The Operator |
| Actor | Männerwirtschaft | Felix Unger | |
| Actor | Bettgeflüster | 1959 | Jonathan Forbes |
| Actor | Mein kleines Pony - Der Film | 1986 | Moochick (voice) |
| Actor | Machen wir's in Liebe | 1960 | Alexander Coffman |
| Actor | Schick mir keine Blumen | 1964 | Arnold Nash |
| Actor | Ein Pyjama für zwei | 1961 | Peter 'Pete' Ramsey |
| Actor | Crazy Instinct | 1993 | Judge Skanky |
| Actor | Die Morde des Herrn ABC | 1965 | Hercule Poirot |
| Actor | What's My Line? | ||
| Actor | Sieben gegen Chicago | 1964 | Hood |
| Actor | Sexy | 1962 | George Drayton |
| Actor | Der mysteriöse Dr. Lao | 1964 | Dr. Lao / The Abominable Snowman / Merlin the Magician / Apollonius of Tyana / Pan / The Giant Serpe |
| Actor | Agatha Christie: Mord auf hoher See | 1989 | Rev. Edward Chichester |
| Actor | Sirene in Blond | 1957 | Rockwell P. Hunter / Himself / Lover Doll |
| Actor | Scavenger Hunt | 1979 | Henry Motley |
| Actor | Arsenic & Old Lace | 1962 | Mortimer Brewster |
| Actor | Lyle, Lyle Crocodile: The Musical - The House on East 88th Street | 1987 | Narrator / Signor Valenti |
| Actor | Mein Zimmer wird zum Harem | 1964 | Harold Ventimore |
| Actor | Huckleberry Finn - Abenteuer am Mississippi | 1960 | The King of France |