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Leonard Nimoy as Tom Kovack |
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Susan Hampshire as Michele Brent |
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Rachel Roberts as Mrs. Farraday |
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Vera Miles as Andrea Glenn |
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Jewel Blanch as Jennifer Glenn |
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Valerie Taylor as Louise Sanford |
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Ray Brooks as George Tracewell |
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Angharad Rees as Peggy Tracewell |
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Christopher Benjamin as Verelli |
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Mike Murray as Parrish |
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Ewan Roberts as Hopkins |
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Milton Johns as Dr. Reed |
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Al Mancini as TV interviewer |
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John Rae as Theatre Doorman |
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Patsy Smart as Cleaning Woman |
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Shane Rimmer as Track Announcer |
| Directing | Philip Leacock | Director |
| Writing | Theodore Apstein | Teleplay |
| Production | Philip Leacock | Producer |
| Production | Norman Felton | Executive Producer |
| Production | John Oldknow | Associate Producer |
| Editing | Bill Blunden | Editor |
| Camera | Ken Hodges | Director of Photography |
| Art | Harry Pottle | Art Direction |
| Sound | Richard Hill | Original Music Composer |
| Directing | Michael Dryhurst | Assistant Director |
| Sound | John Ireland | Supervising Sound Editor |
| Production | Malcolm J. Christopher | Production Manager |
| Sound | Gordon K. McCallum | Sound Mixer |
| Sound | John W. Mitchell | Sound Recordist |
| Sound | John Hayward | Sound Re-Recording Mixer |
| Directing | Michael Murray | Third Assistant Director |
| Production | Bernard Hanson | Location Manager |
| Costume & Make-Up | Elsa Fennell | Costume Supervisor |
| Crew | Joe Dunne | Stunt Coordinator |
| Sound | Richard Hill | Conductor |
| Directing | Joan Davis | Continuity |
