A former British spy stumbles into in a plot to overthrow Communism with the help of a supercomputer. But who is working for whom?
You can now watch Billion Dollar Brain online on the following streaming providers in the United States.
| Directing | Ken Russell | Director |
| Writing | Len Deighton | Novel |
| Camera | Billy Williams | Director of Photography |
| Sound | Richard Rodney Bennett | Original Music Composer |
| Editing | Alan Osbiston | Editor |
| Art | Syd Cain | Production Design |
| Art | Bert Davey | Production Design |
| Sound | Teddy Mason | Sound Director |
| Costume & Make-Up | John Brady | Costume Design |
| Costume & Make-Up | Shirley Russell | Costume Design |
| Writing | John McGrath | Screenplay |
| Camera | David Wynn-Jones | Assistant Camera |
| Directing | Ariel Levy | Assistant Director |
| Production | Harry Saltzman | Producer |
| Production | André de Toth | Executive Producer |
