
Driven by a ruthless scientist, the mind of a murdered high‑school student is transplanted into an animatronic Tyrannosaurus. The creature awakens with a single purpose: to hunt down the bullies who killed him. As it exacts its bloody revenge, the teen’s spirit also finds a chance to reunite with his beloved sweetheart.
Does Tammy and the T-Rex have end credit scenes?
No!
Tammy and the T-Rex does not have end credit scenes. You can leave when the credits roll.
Explore the complete cast of Tammy and the T-Rex, including both lead and supporting actors. Learn who plays each character, discover their past roles and achievements, and find out what makes this ensemble cast stand out in the world of film and television.

Paul Walker
Michael

Denise Richards
Tammy

John Edmondson
Karl

Ellen Dubin
Helga

Sean Whalen
Weasel

Terry Kiser
Dr. Wachenstein

George 'Buck' Flower
Norville

Ken Carpenter
Neville

Efren Ramirez
Pizza Boy

Poppy Montgomery
Party Girl #1

John F. Goff
Uncle Bob

John Franklin
Bobby

J. Jay Saunders
Sheriff Black

John Conway
Bartender

Shevonne Durkin
Wendy

Theo Forsett
Byron

George Pilgrim
Billy

Michele Maika
Michelle

Ken Chandler
Dad
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Challenge your knowledge of Tammy and the T-Rex with this fun and interactive movie quiz. Test yourself on key plot points, iconic characters, hidden details, and memorable moments to see how well you really know the film.
Which actress portrays Tammy in the film?
Denise Richards
Jennifer Love Hewitt
Kristy Swanson
Lara Flynn Boyle
Show hint
Read the complete plot summary of Tammy and the T-Rex, including all major events, twists, and the full ending explained in detail. Explore key characters, themes, hidden meanings, and everything you need to understand the story from beginning to end.
Tammy, Denise Richards is at cheerleader practice when her new boyfriend Michael, Paul Walker, walks in from football practice to observe. He soon crosses paths with Byron, Theo Forsett, Tammy’s gay friend who openly approves of Michael as her new partner. Just after this moment of relative happiness, Tammy’s violent and jealous ex-boyfriend Billy, George Pilgrim, arrives with his gang and begins harassing Michael; a tense fight erupts between them. The police arrive to break up the brawl and take Billy into custody, but Tammy, overwhelmed by the chaotic turn of events, breaks down and runs away in tears, trying to process what just happened.
The scene then cuts to a shadowy warehouse where a Tyrannosaurus rex figure sits in the darkness. Two people, Dr. Wachenstein, Terry Kiser, and his assistant Helga, Ellen Dubin, step into the light as the robotic dino comes alive and moves under careful control from a nearby room. The Doctor—clever and ruthless—absorbs the robot’s sheer strength and unveils his unsettling plan: to implant a living human brain into the machine, granting it consciousness, mobility, and what he calls “immortality.”
That night, Michael discreetly sneaks out to see Tammy again, hoping for a moment of connection. Their reunion is abruptly interrupted when Billy and his thugs appear and pursue Michael through dim streets and into the wild animal park, where lions and jaguars roam. The pursuit ends badly for Michael, who is knocked unconscious and left in a comatose state after a brutal mauling by a lion. He is rushed to a hospital, where an intoxicated uncle sits by his side, half-watching and half-distracted as the family responds to the crisis.
In a cold, calculated move, Dr. Wachenstein and Helga declare Michael dead, a ruse designed to slide the brain transfer into motion. They implant Michael’s living brain into the robotic Tyrannosaurus rex, a transformation that instantly shifts the balance of power. Michael—now fused with the machine—escapes and begins to exact vengeance on the high school tormentors who once taunted him. His path intersects once more with Tammy, and the two are joyfully reunited in the wake of this extraordinary and terrifying turn of events. Tammy immediately understands that the towering, fearsome creature before her is really Michael, now inhabiting a new form, and she resolves to find a more human body for him, a quest driven by love and hope rather than fear.
Dr. Wachenstein refuses to surrender his monstrous creation and chases it across town, leading to a high-stakes pursuit that ends with Michael turning the tables and killing the doctor. In the ensuing chaos, police officers fire and manage to destroy the mechanical dinosaur, bringing a violent chapter to a dramatic close.
Tammy, determined to reclaim what she and Michael have, manages to recover Michael’s brain. She brings it home and connects it to her computer, speakers, and video camera, a temporary setup that holds promise until a more suitable body can be found. Through this improvised system, Michael can speak and see again, allowing him to glimpse Tammy as she performs a striptease. The intimate moment, both hopeful and unsettling, causes the brain hookups to spark, signaling that their bond—and their struggle—will continue to echo long after the spectacular clash between flesh and machine.
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