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Talia Shire as Maggie Verne |
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Robert Foxworth as Dr. Robert Verne |
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Armand Assante as John Hawks |
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Richard Dysart as Trevor Isley |
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Victoria Racimo as Ramona Hawks |
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George Clutesi as M'Rai |
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Tom McFadden as Pilot |
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Burke Byrnes as Father |
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Mia Bendixsen as Girl |
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Johnny Timko as Boy |
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Everett Creach as Kelso |
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Lyvingston Holmes as Black Woman |
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Kevin Peter Hall as Mutant Bear |
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Evans Evans as Cellist |
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Charles H. Gray as Sheriff |
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Graham Jarvis as Shusette |
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Jim Burk as Rescuer |
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Bob Terhune as Rescuer |
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Lon Katzman as Rescuer |
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Steve Shemayne as Indian |
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Jaye Durkus as Sheriff's Deputy |
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Eric Mansker as Tenement Man |
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Cheri Bergen as Social Worker |
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Clifford Hutchison as Stage Manager |
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Renato Moore as Tenement Boy |
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Mel Waters as Tenement Man |
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Roosevelt Smith as Tenement Man |
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Tom D. May as Lumberjack |
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Kevin Peter Hall as Mutant Bear (uncredited) |
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Tom McLoughlin as Mutant Bear (uncredited) |
| Directing | John Frankenheimer | Director |
| Crew | Gene McLaughlin | Stunts |
| Crew | Billy Hank Hooker | Stunts |
| Crew | Michael Adams | Stunts |
| Crew | Tommy Madden | Stunts |
| Crew | Sandra Lee Gimpel | Stunts |
| Crew | Gary Combs | Stunts |
| Crew | Sandy Robertson | Stunts |
| Crew | Alex Green | Stunts |
| Crew | Jerry Gatlin | Stunts |
| Crew | Pamela Bebermeyer | Stunts |
| Crew | Everett Creach | Stunts |
| Crew | Janet Brady | Stunts |
| Crew | Patty Elder | Stunts |
| Crew | Jerry Maren | Stunts |
| Crew | Ruth A. Redfern | Stunts |
| Crew | Denny Arnold | Stunts |
| Crew | John Roselius | Stunts |
| Crew | Cliff McLaughlin | Stunts |
| Crew | Ron Burke | Stunts |
| Crew | Don Fox Greene | Stunts |
| Production | Robert L. Rosen | Producer |
| Writing | David Seltzer | Writer |
| Camera | Harry Stradling Jr. | Director of Photography |
| Sound | Leonard Rosenman | Original Music Composer |
| Directing | Robert P. Cohen | Second Assistant Director |
| Art | Ray Mercer Jr. | Property Master |
| Art | George Gaines | Set Decoration |
| Crew | Edouard F. Henriques III | Makeup Effects |
| Sound | William R. Kowalchuk Jr. | Sound Effects Editor |
| Directing | L. Andrew Stone | Assistant Director |
| Costume & Make-Up | Thomas R. Burman | Special Effects Makeup Artist |
| Production | Alan Levine | Unit Production Manager |
| Directing | Paul L. Tucker | Second Assistant Director |
| Art | Arthur Shippee | Assistant Property Master |
| Sound | Gene S. Cantamessa | Sound Mixer |
| Production | Lynn Stalmaster | Casting |
| Costume & Make-Up | Allan A. Apone | Special Effects Makeup Artist |
| Sound | John Wilkinson | Sound Re-Recording Mixer |
| Costume & Make-Up | Ellis Burman Jr. | Special Effects Makeup Artist |
| Costume & Make-Up | Ann Wadlington | Hairstylist |
| Art | Gene Lauritzen | Construction Coordinator |
| Sound | Raul A. Bruce | Boom Operator |
| Art | Sherman Labby | Production Illustrator |
| Sound | Cecelia Hall | Sound Effects Editor |
| Production | Lindsley Parsons Jr. | Production Manager |
| Sound | Israel Baker | Musician |
| Camera | Tom D. May | Key Grip |
| Directing | John Franco | Script Supervisor |
| Camera | Ken Nishino | Assistant Camera |
| Art | James Kagel | Sculptor |
| Sound | Arnold Belnick | Musician |
| Sound | Norman Carr | Musician |
| Sound | Ronald Cooper | Musician |
| Lighting | Clifford Hutchison | Gaffer |
| Editing | Michael Ripps | Assistant Editor |
| Sound | Dale Anderson | Musician |
| Crew | Edouard F. Henriques III | Prop Maker |
| Camera | Richard Craig Meinardus | First Assistant Camera |
| Sound | Isabelle Daskoff | Musician |
| Crew | Bob Dawson | Special Effects |
| Lighting | Norman Lang | Electrician |
| Sound | Jim Henrikson | Music Editor |
| Crew | Peter Borkent | Stunt Driver |
| Crew | Jor Van Kline | Special Effects |
| Editing | George Trirogoff | Assistant Editor |
| Crew | Ellis Burman Jr. | Prop Maker |
| Sound | Harry Bluestone | Musician |
| Crew | Gilbert B. Combs | Stunts |
| Crew | Buddy Joe Hooker | Stunts |
| Costume & Make-Up | Ray Summers | Costume Design |
| Editing | Tom Rolf | Editor |
| Art | William Craig Smith | Production Design |
| Costume & Make-Up | Ron Snyder | Makeup Artist |
