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William Shatner as Prof. Stephen Turner |
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Lynn Carlin as Barbara |
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Ossie Davis as Reed |
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Viveca Lindfors as Mrs. Schnagel |
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Estelle Parsons as Crossland |
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Roy Poole as Dr. Goodman |
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Mike Kellin as Mancuso |
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Richard McKenzie as Mr. Dennison |
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Fred J. Scollay as Dr. McBride |
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Stephen Macht as Dahlquist |
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Lindsay Crouse as Karen |
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Charles White as Harry Vogel |
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Gregory Abels as Lab Technician |
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Robert Burr as Mr. Hughes |
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Tom Quinn as Bully in Bar |
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Billie Lou Watt as Mrs. Carol |
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Michael Howard as |
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Jeff Pomerantz as Professor |
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Damon Evans as |
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W.T. Martin as Mario, the Waiter |
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Gary Cookson as Lab Technician |
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John Travolta as Lab Technician (uncredited) |
| Directing | Charles S. Dubin | Director |
| Writing | George Bellak | Writer |
| Production | George Bellak | Associate Producer |
| Production | Bob Markell | Executive Producer |
| Production | Tony Masucci | Producer |
| Sound | Charles Gross | Original Music Composer |
| Art | Victor Paganuzzi | Production Design |
| Art | Wesley Laws | Set Decoration |
| Costume & Make-Up | Leslie Renfield | Costume Design |
| Sound | Charles Gross | Conductor |
| Crew | Neal Schatz | Special Effects |
| Sound | B.A. Taylor | Sound |
| Directing | Rowland Vance | Assistant Director |
| Production | Al Rosen | Production Supervisor |
