Filmography
| Role | Title | Year | Character |
|---|---|---|---|
| Actor | 1001 pattes | 1998 | Mr. Soil |
| Actor | La Planète des Singes | 1968 | Cornelius |
| Actor | Batman | Bookworm | |
| Actor | Les Évadés de la Planète des Singes | 1971 | Cornelius |
| Actor | La Bataille de la planète des singes | 1973 | Caesar |
| Actor | L'Apprentie sorcière | 1971 | Mr. Jelk |
| Actor | La Conquête de la planète des singes | 1972 | Caesar |
| Actor | Vampire, vous avez dit vampire? | 1985 | Peter Vincent |
| Actor | La Planète des singes | Galen | |
| Actor | Un couple à la mer | 1987 | |
| Producer | Un couple à la mer | 1987 | |
| Actor | Le jour le plus long | 1962 | Pvt. Morris |
| Actor | Cléopâtre | 1963 | Octavian - Caesar Augustus |
| Actor | Le Trou noir | 1979 | V.I.N.CENT (voice) |
| Actor | Meurtre au soleil | 1982 | Rex Brewster |
| Actor | L'aventure du Poséidon | 1972 | Acres |
| Actor | Johnny Barrows | 1975 | Tony Da Vince |
| Actor | Vampire... vous avez dit vampire? II | 1988 | Peter Vincent |
| Actor | L'espion aux pattes de velours | 1965 | Gregory Benson |
| Actor | Qu'elle était verte ma vallée | 1941 | Huw Morgan |
| Actor | Le chat qui vient de l'espace | 1978 | Mr. Stallwood |
| Actor | Fidèle Lassie | 1943 | Joe Carraclough |
| Actor | Class 1984 | 1982 | Terry Corrigan |
| Actor | Le Tourbillon Noir | ||
| Actor | La Planète des Singes : Les Coulisses du Tournage | 1998 | Himself - Hosted by (also archive footage) |
| Actor | Le retour du roi | 1980 | Samwise Gamgee |
| Actor | Cutting Class | 1989 | Mr. Dante |
| Actor | La Plus Grande Histoire jamais contée | 1965 | Matthew |
| Actor | It! | 1966 | Arthur Pimm |
| Actor | La Maison des Damnés | 1973 | Benjamin Franklin Fischer |
| Actor | Tales of the Gold Monkey | Bon Chance Louie | |
| Actor | Macbeth | 1948 | Malcolm |
| Actor | Funny Lady | 1975 | Bobby Moore |
| Actor | Les Chroniques martiennes | Father Stone | |
| Actor | L'Honorable Griffin | 1967 | Bullwhip Griffin |
| Actor | Miracle on 34th Street | 1973 | Dr. Sawyer |
| Actor | Juge et hors-la-loi | 1972 | Frank Gass |
| Actor | Le Fils de Flicka - Thunderhead | 1945 | Ken McLaughlin |
| Actor | Les Aventures de Yogi le nounours | 1964 | Bullwinp Griffin |
| Actor | Les Nouvelles Aventures de Mowgli | 1997 | King Murphy |
| Actor | Piège à minuit | 1960 | Malcolm |
| Actor | Alice in Wonderland (1985) | The March Hare | |
| Actor | Un Scenario en or | 1989 | Judge |
| Actor | Le Voyage Extraordinaire | Dr. Jonathan Willoway | |
| Actor | Shakma | 1990 | Sorenson |
| Actor | Carmilla | 1989 | Inspector Amos |
| Actor | Chasse à l'homme | 1941 | Vaner |
| Actor | The Hollywood Squares | Square Placer (1975) | |
| Actor | Unlikely Angel | 1996 | Saint Peter |
| Actor | Daisy Clover | 1965 | Walter Baines |
| Actor | Mon Amie Flicka | 1943 | Ken McLaughlin |
| Actor | 5 Cartes À Abattre | 1968 | Nick Evers |
| Actor | Les clés du royaume | 1944 | Francis Chisholm, as a boy |
| Actor | That's Entertainment, Part II | 1976 | (archive footage) |
| Actor | Hart to Hart: Home Is Where the Hart Is | 1994 | Jeremy Sennet |
| Actor | Froid comme la mort | 1987 | Mr. Murray |
| Actor | Si tu crois fillette | 1971 | Mr. Proffer |
| Actor | Rayon laser | 1978 | Doctor Mellon |
| Actor | Charlie Chan and the Curse of the Dragon Queen | 1981 | Gillespie |
| Actor | Cricket on the Hearth | 1967 | Criket Crocket Narrator |
| Actor | Les Dessous d'Hollywood | Jason Swandle | |
| Actor | Scavenger Hunt | 1979 | Jenkins |
| Actor | Le cher disparu | 1965 | D.J.Jr. |
| Actor | The Grass Harp | 1995 | Amos Legrand |