Dr. Jekyll inhales white powder and becomes an obnoxious Southern Californian.
| Writing | Michael J. Leeson | Screenplay |
| Writing | Jerry Belson | Screenplay |
| Camera | Philip H. Lathrop | Director of Photography |
| Writing | Robert Louis Stevenson | Novel |
| Writing | Harvey Miller | Screenplay |
| Writing | Monica Mcgowan Johnson | Screenplay |
| Directing | Jerry Belson | Director |
| Editing | Billy Weber | Editor |
| Production | Lawrence Gordon | Producer |
| Sound | Barry De Vorzon | Music |
| Production | Judith Weiner | Casting |
| Production | Jerry Belson | Co-Executive Producer |
| Production | Joel Silver | Executive Producer |
| Crew | Greg Smith | Choreographer |
| Crew | Debbie Evans | Stunts |
| Crew | Bud Ekins | Stunt Coordinator |
| Crew | Richard Epper | Stunts |
| Crew | Donna Evans | Stunts |
| Crew | Clarke Coleman | Stunts |
| Crew | John Ashby | Stunts |
