Filmography
| Role | Title | Year | Character |
|---|---|---|---|
| Actor | Bedknobs and Broomsticks | 1971 | Bookman |
| Actor | Ben-Hur | 1959 | Simonides |
| Actor | The Day the Earth Stood Still | 1951 | Prof. Jacob Barnhardt |
| Actor | The Asphalt Jungle | 1950 | Doc Erwin Riedenschneider |
| Actor | Gentleman's Agreement | 1947 | Professor Fred Lieberman |
| Actor | Battle Beyond the Stars | 1980 | Dr. Hephaestus |
| Actor | Lost Horizon | 1937 | High Lama |
| Producer | Theatre of Blood | 1973 | |
| Producer | Born Free | 1966 | |
| Actor | Ben Casey | Dr. David Zorba | |
| Actor | The Scarlet Empress | 1934 | Grand Duke Peter |
| Actor | Gunga Din | 1939 | Gunga Din |
| Actor | Guns for San Sebastian | 1968 | Père Joseph |
| Actor | The Barbarian and the Geisha | 1958 | Henry Heusken |
| Actor | A Guide for the Married Man | 1967 | Technical Adviser (Shrink) |