As the result of a head injury, brilliant computer scientist Harry Benson begins to experience violent seizures. In an attempt to control the seizures, Benson undergoes a new surgical procedure in which a microcomputer is inserted into his brain. The procedure is not entirely successful.
| Directing | Mike Hodges | Director |
| Writing | Michael Crichton | Novel |
| Writing | Mike Hodges | Screenplay |
| Production | Michael Dryhurst | Associate Producer |
| Production | Mike Hodges | Producer |
| Editing | Robert L. Wolfe | Editor |
| Production | Nessa Hyams | Casting |
| Art | Fred Harpman | Art Direction |
| Art | Marvin March | Set Decoration |
| Costume & Make-Up | Donald Brooks | Costume Design |
| Costume & Make-Up | Vittorio Nino Novarese | Costume Design |
| Costume & Make-Up | Leo Lotito Jr. | Makeup Artist |
| Costume & Make-Up | Fred Williams | Makeup Artist |
| Costume & Make-Up | Sherry Wilson | Hairstylist |
| Production | Bruce Fowler Jr. | Production Manager |
| Directing | Margaret Tary | Script Supervisor |
| Camera | Richard H. Kline | Director of Photography |
| Directing | Robert Dijoux | Second Assistant Director |
| Directing | Dick Moder | First Assistant Director |
| Directing | Leonard S. Smith Jr. | Second Assistant Director |
| Art | Harold Broner | Construction Coordinator |
| Art | Herb Rindenow | Leadman |
| Art | Willie Wiles | Assistant Property Master |
| Art | Marty Wunderlich | Property Master |
| Sound | William Randall | Sound |
| Sound | Nicholas Stevenson | Sound Editor |
| Sound | Hugh Strain | Sound Mixer |
| Sound | Raul A. Bruce | Boom Operator |
| Sound | Charles Randall | Boom Operator |
| Crew | Douglas Pettibone | Special Effects |
| Crew | Loren Janes | Stunts |
| Camera | Albert Bettcher | Camera Operator |
| Camera | Kenneth Adams | Key Grip |
| Camera | Al Baerthlin | Assistant Camera |
| Lighting | Wilbur Kinnett | Gaffer |
| Camera | Edward Morey III | Second Assistant Camera |
| Camera | Mel Traxel | Still Photographer |
| Camera | Ronald Vidor | First Assistant Camera |
| Production | Jim Martell | Extras Casting |
| Costume & Make-Up | Charles E. James | Wardrobe Master |
| Costume & Make-Up | Tye Osward | Wardrobe Master |
| Costume & Make-Up | Edna Taylor | Wardrobe Master |
| Editing | Joel Cox | Assistant Editor |
| Editing | Jeremy Hume | Assistant Editor |
| Production | R. Anthony Brown | Location Manager |
| Sound | Dan Wallin | Scoring Mixer |
| Crew | Ron Riner | Driver |
| Crew | Glenn Dunn | Craft Service |
| Production | Kay Hoff | Production Secretary |
| Crew | William Koselka | Technical Advisor |
| Production | Dorothy Naja | Production Secretary |
| Production | Vernon White | Publicist |
| Sound | Glenn Gould | Musician |
