A young female doctor discovers something sinister going on in her hospital. Relatively healthy patients are having 'complications' during simple operations and ending up in comas. The patients are then shipped off to an institute that looks after them. The young doctor suspects there is more to this than meets the eye.
| Sound | Jerry Goldsmith | Original Music Composer |
| Editing | David Bretherton | Editor |
| Camera | Victor J. Kemper | Director of Photography |
| Directing | Michael Crichton | Director |
| Writing | Michael Crichton | Screenplay |
| Production | Martin Erlichman | Producer |
| Writing | Robin Cook | Novel |
| Production | Sam Christensen | Casting |
| Production | Joyce Robinson | Casting |
| Art | Albert Brenner | Production Design |
| Art | Rick Simpson | Set Decoration |
| Costume & Make-Up | Carolyn Ferguson | Hairstylist |
| Costume & Make-Up | Don Schoenfeld | Makeup Artist |
| Costume & Make-Up | Carrie White | Hairstylist |
| Production | Phil Rawlins | Unit Production Manager |
