| Richard Strauss |
| Joan Strauss |
| Gyorgy Ligeti |
| Aram Khatchaturian |
| Keir Dullea (David Bowman) |
| Gary Lockwood (Franck Poole) |
| William Sylvester (Dr Heywood Floyd) |
| Daniel Richter (l'homme primitif) |
| Leonard Rossiter (Smyslov) |
| Margaret Tyzack (Elena) |
| Robert Beatty (Halverson) |
