Giants Mollusks are released from the earth by an earthquake and start killing people.
Practical Effects
Giant rubber snail costumes that wobble with menace
Production
Real Salton Sea location adds sweaty authenticity
Director
Arnold Laven
Tim Holt
Lt. Cmdr. John 'Twill' Twillinger
Audrey Dalton
Gail MacKenzie
Hans Conried
Dr. Jess Rogers
Barbara Darrow
Jody Simms
Max Showalter
Dr. Tad Johns
Gordon Jones
Sheriff Josh Peters
Mimi Gibson
Sandy MacKenzie
Jody McCrea
Seaman Fred Johnson
Wallace Earl
Sally
Sarah Selby
Mrs. Simms
Milton Parsons
Lewis Clark Dobbs
Charles Tannen
Seaman Wyatt (Radioman)
Trivia, insights & behind the scenes
The 'giant' snails were actually normal-sized marine mollusk props shot with forced perspective and slow-motion to look massive.
The Salton Sea setting wasn't just atmospheric—this accidental inland sea was already becoming an ecological disaster in 1957, making the film's 'ancient creatures unleashed' premise weirdly prophetic.
No ratings yet
Sign in to join the discussion — comments are spoiler-gated to your watch progress.
Discussion starters
US
