Tammy and the T-Rex

A popular high-school athlete who is violently assaulted and later has his brain implanted into a robotic Tyrannosaurus. In the machine shell, he wheels between memory of his former life and a hunger for revenge. His struggle blends human emotion with unstoppable power as he reconnects with Tammy.

Michael's girlfriend and a cheerleader who bears the emotional weight of the events. She pursues a way to restore Michael, showing courage, loyalty, and resourcefulness as she navigates danger and grief. Her bond with Michael anchors the film's humanity amid its wild sci-fi antics.

A ruthless scientist who implants a human brain into a robotic dinosaur to achieve immortality. His ambition drives the central conflict and he relentlessly pursues his monstrous creation. He embodies the peril and hubris of dangerous scientific experimentation.

Dr. Wachenstein's assistant who participates in the experiment and its brutal execution. She adds a cold, clinical edge to the operation and complicates the pursuit of Michael and Tammy.

Tammy's jealous ex-boyfriend whose aggression triggers the initial confrontation. He serves as the violent catalyst whose actions set off the chain of events leading to the brain transplant and pursuit.

Tammy's supportive friend who approves of Michael and helps navigate the social fallout around their relationship. He provides a grounding presence amid the film's chaos and sci-fi twists.