| Ano | Nota | Título | Personagem |
|---|---|---|---|
| 2016 | The Last Laugh | Self | |
| 1992 | Queen Esther | Haman (voice) | |
| 1991 | The Cabinet of Dr. Ramirez | Fat Man Looking for a Tax Break | |
| 1988 | Cabaret | Herr Schultz | |
| 1981 | The Return of the Beverly Hillbillies | C.D. Medford | |
| 1980 | Steve Martin: Comedy Is Not Pretty | Plato | |
| 1972 | Assignment: Munich | Insp. Hoffman | |
| 1972 | Place of Belonging | Narrator | |
| 1969 | Wake Me When the War Is Over | Maj. Erich Mueller | |
| 1968 | Star Spangled Salesman | Chief's Boss | |
| 1968 | The Wicked Dreams of Paula Schultz | Klaus | |
| 1965 | Bing Crosby Color Christmas Show | Self/Col. Klink | |
| 1965 | A Nau dos Insensatos | Lt. Huebner | |
| 1965 | Dark Intruder | Prof. Malaki | |
| 1964 | O Preço da Ambição | Mr. Leffer | |
| 1962 | Fuga de Berlim Oriental | Walter Brunner | |
| 1961 | Julgamento em Nuremberg | Emil Hahn | |
| 1961 | Operation Eichmann | Adolf Eichmann | |
| 1959 | Judgment at Nuremberg | Emil Hahn | |
| 1958 | Tentação Morena | Harold Messner | |
| 1958 | The Goddess | Joe Wilsey | |
| 1958 | The High Cost of Loving | Joseph Jessup | |
| 1957 | O Beijo da Despedida | Lt. Walter Wallace | |
| 1957 | Istambul | Paul Renkov | |
| 1956 | O Homem Errado | Dr. Bannay (uncredited) | |
| 1956 | 5 Steps to Danger | Dr. Frederick Simmons | |
| 1956 | Death of a Scoundrel | Herbert Bauman (Clementi's lawyer) | |
| 1956 | Flight to Hong Kong | Bendesh |