
A herpetologist investigating a string of deadly rattlesnake attacks discovers the snakes have been contaminated by a mysterious nerve gas dumped in the desert by the military, turning the creatures into lethal assassins. The victims face a terrifying, slithering death.
Does Rattlers have end credit scenes?
No!
Rattlers does not have end credit scenes. You can leave when the credits roll.
See current US streaming, rental, and purchase options for Rattlers (1976) via JustWatch.
Explore the complete cast of Rattlers, 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.

Darwin Joston
Palmer

Sam Chew Jr.
Dr. Tom Parkinson

Eric Lawson
Guard

John McCauley

Tony Ballen
Sheriff Gates

Ancel Cook
Sam the Janitor

Richard Lockmiller
Deputy

Dan Priest
Colonel Stroud

Celia Milius
Woman in Bathtub

Al Dunlap
General Hinch

Jo Jordan
Mother

Cary J. Pitts
Sergeant

Tipp McClure
Plumber

Elisabeth Chauvet
Ann Bradley

Ronald Gold
Captain Delaney

Dan Balentine
Pilot Hawkins

Gary Van Ormand
Woodley

Scott McCartor
Rick (as Scott McCarter)

Travis Gold
Timmy

Alan Decker
Doug

Matthew Knox
Dave

Bob Merchon
Howard

John Landon
Hines
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Read the complete plot summary of Rattlers, 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.
When two young boys are savagely attacked and killed by a legion of rattlesnakes in a small California desert town, the local sheriff calls upon herpetologist Dr. Tom Sam Chew Jr. Parkinson, a Los Angeles college professor, to uncover why the snakes are displaying abnormal aggression and swarming behavior. The sheriff teams Parkinson with war photographer Elisabeth Chauvet as Ann Bradley to help document and understand the phenomenon.
As more people in the desert community fall to the deadly reptiles, Parkinson’s and Bradley’s investigation leads them to a nearby army base, where the commanding officer, Colonel Dan Priest Stroud, seems strangely reluctant to help them. The base’s chief medical officer, Captain Ronald Gold Delaney, offers limited support, but his presence provides a crucial foothold for the inquiry.
Shortly afterward, Palmer Darwin Joston and Woodley Gary Van Ormand, two soldiers on night patrol, stop to change a flat tire on their jeep and are killed by a horde of rattlesnakes, heightening the sense of danger and raising questions about the base’s role in the mounting crisis. Delaney then summons Parkinson and Bradley back to the base, this time without Stroud’s knowledge, so they can investigate the soldiers’ strange deaths more closely.
Parkinson’s findings point to a chilling conspiracy: the colonel ordered, and then concealed, the illegal disposal of an experimental nerve gas called CT3 in a desert cave. The exposure of the snakes to CT3 has altered their behavior, making them unusually aggressive and hard to predict. When Delaney confronts Stroud and threatens to expose the crime, Stroud kills him, before engaging the local sheriff’s department in a gun battle that ends with Stroud’s own death.

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