A research scientist explores the boundaries and frontiers of consciousness. Using sensory deprivation and hallucinogenic mixtures from native American shamans, he explores these altered states of consciousness and finds that memory, time, and perhaps reality itself are states of mind.
| Writing | Paddy Chayefsky | Screenplay |
| Camera | Jordan Cronenweth | Director of Photography |
| Sound | John Corigliano | Original Music Composer |
| Directing | Ken Russell | Director |
| Production | Howard Gottfried | Producer |
| Writing | Paddy Chayefsky | Novel |
| Production | Daniel Melnick | Executive Producer |
| Editing | Eric Jenkins | Editor |
| Production | Howard Feuer | Casting |
| Production | Jeremy Ritzer | Casting |
| Art | Thomas L. Roysden | Set Decoration |
| Art | Richard Macdonald | Production Design |
| Costume & Make-Up | Ruth Myers | Costume Design |
| Camera | James Glennon | Camera Operator |
| Camera | Garrett Brown | Steadicam Operator |
| Lighting | Gary Holt | Gaffer |
| Sound | Les Fresholtz | Sound Re-Recording Mixer |
| Camera | Morgan Renard | Still Photographer |
| Sound | Michael Minkler | Sound Re-Recording Mixer |
| Sound | Michael Colgan | Supervising Sound Editor |
| Directing | Carline Davis-Dyer | Script Supervisor |
| Crew | John M. Woodward | Transportation Coordinator |
| Sound | Arthur Piantadosi | Sound Re-Recording Mixer |
| Production | Paul Pav | Location Manager |
| Production | Stuart Baird | Associate Producer |
| Costume & Make-Up | Dione Taylor | Hairstylist |
| Costume & Make-Up | Rick Baker | Special Effects Makeup Artist |
| Costume & Make-Up | Michael Hancock | Makeup Artist |
| Art | Sidney H. Greenwood | Property Master |
| Art | Roger Irvin | Construction Coordinator |
| Camera | Johnny E. Jensen | First Assistant Camera |
| Directing | Gary Daigler | Assistant Director |
| Lighting | Adam Glick | Lighting Technician |
| Lighting | Sal Martorano | Electrician |
| Lighting | Chris Strong | Electrician |
| Art | Tony Dyson | Props |
| Camera | Bob Rose | Key Grip |
| Art | Jeff Howard | Assistant Art Director |
| Camera | Carey Jones | Second Assistant Camera |
| Costume & Make-Up | Rick Baker | Makeup Artist |
| Visual Effects | Bran Ferren | Visual Effects Director |
| Production | David Silver | Unit Production Manager |
| Directing | Peter Schindler | Second Assistant Director |
| Costume & Make-Up | Dick Smith | Special Effects Makeup Artist |
| Costume & Make-Up | Carl Fullerton | Special Effects Makeup Artist |
| Costume & Make-Up | Craig Reardon | Special Effects Makeup Artist |
| Production | Joel Thurm | Additional Casting |
| Production | Stephen Kolzak | Additional Casting |
| Sound | Christopher Keene | Conductor |
| Crew | Chuck Gaspar | Special Effects |
| Crew | Larry L. Fuentes | Special Effects Assistant |
| Sound | Donald Harris | Music Editor |
| Art | Ronald C. Jacobs | Leadman |
| Art | Stan Cockerell | Assistant Property Master |
| Sound | Willie D. Burton | Sound Mixer |
| Sound | Marvin E. Lewis | Boom Operator |
| Costume & Make-Up | Darryl M. Athons | Costumer |
| Costume & Make-Up | Shanan Harrell | Costumer |
| Editing | Thomas Penick | Assistant Editor |
| Editing | Arthur W. Forney | Assistant Editor |
| Production | Lee Stitch | Production Secretary |
| Sound | Jay Wertz | Sound Editor |
| Sound | Fred Stafford | Sound Editor |
| Sound | Don Higgins | Sound Editor |
| Sound | Colin Waddy | Sound Editor |
| Sound | Laurey Condon | Assistant Sound Editor |
| Production | Susan Tarr | Research Assistant |
| Crew | Scott Bartlett | Technical Advisor |
| Sound | John David Earnest | Orchestrator |
