Where to Watch
Region
Apple TV Store
Rent from
HD
$3.99
Apple TV Store
Buy from
HD
$14.99
Amazon Video
Rent from
HD
$3.49
Amazon Video
Buy from
HD
$14.99
The Roku Channel
Stream with ads
HD
Included
See all 7 options →
Prices last updated September 19, 2026. Pricing and availability may vary by region.
powered by JustWatch
About
Giants Mollusks are released from the earth by an earthquake and start killing people.
Theatrical
Jun 14, 1957
Budget
$200K
DVD / Blu-ray
Aug 28, 2001
Theaters
1
Director
Writers
Producers
Music
Studio
Gramercy Pictures, Inc., United Artists
Quotes
See all →Water Sparks Instant Terror
Taglines
Instant terror ... Just add water!
Quotes sourced from Wikiquote (© Wikiquote contributors), licensed under CC BY-SA 4.0. Modified for formatting/length.
Chilling and Incredibly Real Experience
Taglines
Distinctly chilling. So real that it is nearly incredible.
Quotes sourced from Wikiquote (© Wikiquote contributors), licensed under CC BY-SA 4.0. Modified for formatting/length.
Cast
Full credits →T
Tim Holt
Lt. Cmdr. John 'Twill' Twillinger
A
Audrey Dalton
Gail MacKenzie
H
Hans Conried
Dr. Jess Rogers
B
Barbara Darrow
Jody Simms
M
Max Showalter
Dr. Tad Johns
H
Harlan Warde
Lt. Robert 'Clem' Clemens
G
Gordon Jones
Sheriff Josh Peters
M
Mimi Gibson
Sandy MacKenzie
M
Marjorie Stapp
Connie Blake
J
Jody McCrea
Seaman Fred Johnson
W
Wallace Earl
Sally
D
Dennis McCarthy
George Blake (lab assistant)
S
Sarah Selby
Mrs. Simms
M
Milton Parsons
Lewis Clark Dobbs
C
Charles Tannen
Seaman Wyatt (Radioman)
R
Robert Benevides
Seaman Morty Beatty
J
John Carlyle
Monster Victim
J
John Close
Deputy Larry
W
William Forrest
Admiral Greenhouse
G
Gil Frye
Deputy Scotty
