An evil scientist implants the brain of a murdered high school student into an animatronic Tyrannosaurus, who later wreaks vengeance on the bullies who killed him, and is reunited with his sweetheart.
Unfortunately the movie Tammy and the T-Rex is not yet available on HBO Max.
| Writing | Gary Brockette | Writer |
| Editing | Terry Kelley | Editor |
| Directing | Stewart Raffill | Director |
| Art | Elan Papa | Set Decoration |
| Camera | Roger Olkowski | Director of Photography |
| Writing | Stewart Raffill | Writer |
| Production | Harriet Greenspan | Casting |
| Production | Rhonda Young | Casting |
| Art | Colleen Saro | Set Decoration |
| Production | Fernando Celis | Co-Producer |
| Production | Diane Kirman | Producer |
| Production | Diane Kirman | Executive Producer |
| Sound | Jack Conrad | Original Music Composer |
| Sound | Anthony Riparetti | Original Music Composer |
| Costume & Make-Up | Melinda Eschelman | Costume Design |
| Costume & Make-Up | John Carl Buechler | Special Effects Makeup Artist |
| Sound | Arnold Braun | Sound Mixer |
| Sound | Michael Simpson | Sound Recordist |
| Crew | Bill Wynn | Special Effects |
| Crew | Dennis Dion | Special Effects Coordinator |
| Crew | Bruce Nazarian | Special Effects |
| Crew | Scott Wolf | Special Effects |
| Production | Etka Sarlui | Executive Producer |
| Costume & Make-Up | Anais Browski | Makeup Artist |
| Crew | John Carl Buechler | Makeup Effects |
| Visual Effects | Max W. Anderson | Visual Effects |
| Sound | Neil Spritz | Boom Operator |
| Costume & Make-Up | Anais Browski | Hairstylist |
| Crew | Fernando Celis | Stunt Coordinator |
| Crew | Clarke Coleman | Utility Stunts |
| Crew | George B. Colucci Jr. | Stunt Double |
| Crew | Ethan Jensen | Stunt Double |
| Crew | Dana Felton | Stunt Double |
| Crew | Laurie Celis | Stunt Double |
| Camera | Robbie Robinson | Still Photographer |
| Lighting | Matt Jacobson | Chief Lighting Technician |
