Doomsday Machine (1972) — Cast
Cast
| Mark Bailey | Astronaut |
| Mala Powers | Georgianna |
| Bobby Van | Danny |
| Grant Williams | Kurt |
| Ruta Lee | Jorjie Turner |
| Mary Meade | Newsroom Reporter |
| Casey Kasem | Watkins - Mission Control |
| Raymond Mayo | |
| Denny Miller | Don |
| Lorri Scott | Carlson |
| Mike Farrell | 1st Garbageman |
| Henry Wilcoxon | Christopher |
| James Craig | Haines |
| Essie Lin Chia | Emperor's Spy |
| Michael Christian | |
| John Cestare |
Crew
| James E. Schwarm | Art Direction |
| Herbert J. Leder | Director |
| Oscar Nichols | Executive Producer |
| Stanley Cortez | Director of Photography |
| Stuart J. Byrne | Original Story |
| Lee Sholem | Director |
| Stuart J. Byrne | Screenplay |
| Harry Hope | Director |
| Harry Hope | Producer |