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Victoria Principal as Anna Forbes |
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Nicholas Campbell as Mark Forbes |
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Dawn Greenhalgh as Martha |
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Geraint Wyn Davies as Dr. Lambert |
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Kenneth Welsh as Dr. Bel |
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Robert Vaughn as Dennis Forbes |
| Directing | Bill Corcoran | Director |
| Costume & Make-Up | Margaret Mohr | Costume Design |
| Crew | Natalie Gray | Stunt Double |
| Lighting | Ira Cohen | Gaffer |
| Writing | David Seidler | Writer |
| Editing | Pia Di Ciaula | Editor |
| Sound | Micky Erbe | Music |
| Crew | Robert Racki | Stunts |
| Writing | Jacqueline Feather | Writer |
| Camera | Ron Stannett | Director of Photography |
| Production | Julian Marks | Producer |
| Production | Harry B. Chandler | Executive Producer |
| Sound | Maribeth Solomon | Original Music Composer |
