| Lefranc in Deathwatch |
| Miller in Catlow |
| Spock in Star Trek: The Motion Picture |
| Spock in Star Trek II: The Wrath of Khan |
| Spock in Star Trek III: The Search for Spock |
| Spock in Star Trek IV: The Voyage Home |
| Galvatron in The Transformers: The Movie |
| Spock in Star Trek V: The Final Frontier |
| Spock in Star Trek VI: The Undiscovered Country |
| Narrator in Carpati: 50 Miles, 50 Years |
| Akron in Sinbad: Beyond the Veil of Mists |
| Narrator in The Story of Computer Graphics |
| Rashi in Rashi: A Light After the Dark Ages |
| Host in Greenhouse Gamble |
| Narrator in Minyan in Kaifeng |
| Spock Prime in Star Trek |
| Sekhuru in Adventures in Zambezia |
| Narrator in The Evolution of Stem Cell Research |
| Levi Eshkol in The Prime Ministers: The Pioneers |
| Elevator Voice in Star Trek III: The Search for Spock |
| Baraka in Sinbad: Beyond the Veil of Mists |
| King Chandra in Sinbad: Beyond the Veil of Mists |