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| Kurt Russell | MacReady | |
| Wilford Brimley | Blair | |
| Keith David | Childs | |
| Richard Dysart | Dr. Copper | |
| Richard Masur | Clark | |
| T.K. Carter | Nauls | |
| David Clennon | Palmer | |
| Charles Hallahan | Norris | |
| Peter Maloney | Bennings | |
| Donald Moffat | Garry | |
| Joel Polis | Fuchs | 
| Director | 
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| Producer | Lawrence Turman David Foster | ||
| Writer | Bill Lancaster John W. Campbell Jr. | ||
| Cinematography | Dean Cundey | ||
| Musician | Ennio Morricone | 
|  | Scientists in the Antarctic are confronted by a shape-shifting alien that assumes the appearance of the people that it kills. | 
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