"Given the chance to live in a simulated underwater home for a month, a scientist convinces his family to take advantage of the offer. Once the family agrees to move in, underwater mayhem occurs!"
Tony Randall
as Fred Miller
Janet Leigh
as Vivian Miller
Ken Berry
as Mel Cheever
Roddy McDowall
as Nate Ashbury
Charlotte Rae
as Myrtle Ruth
Richard Dreyfuss
as Harold Webster
Jim Backus
as T.R. Hollister
Kay Cole
as Lorrie Miller
Lou Wagner
as Marvin Webster
Gary Tigerman
as Tommie Miller
Arnold Stang
as Jonah
Bruce Gordon
as Adm. Sheridan
Lee Meredith
as Dr. Wells
Harvey Lembeck
as Sonarman
Frank Schuller
as Alan Briggs
Henny Backus
as Mrs. Webster
Bud Hoey
as Mr. Webster
Pat Henning
as Reilly
Jay Laskay
as Philo
Charles G. Martin
as Chief Petty Officer
Frank Logan
as Captain
Andy Jarrell
as Radioman
Lora Kaye
as Secretary
Merv Griffin
as Himself
Jack Arnold
Director
Ricou Browning
Art Arthur
Story
John McGreevey
Writer
Frank Telford
Ivan Tors
George Sherman
Producer
Jeff Barry
Original Music Composer
Clifford H. Poland Jr.
Director of Photography
Erwin Dumbrille
Editor
Jack T. Collis
Art Direction
Don K. Ivey
Set Decoration
Irene Aparicio
Hairstylist
Guy Del Russo
Makeup Supervisor
Marlana May
Makeup Artist
William P. Owens
Unit Production Manager
William C. Gerrity
Assistant Director
Nat Holt Jr.
Second Assistant Director
Leonard Davison
Sound Effects Editor
Oscar Barber
Camera Operator
Lamar Boren
Underwater Director of Photography
Jordan Klein Sr.
Underwater Camera
Walter G. Morris Jr.
Gaffer
James Pergola
Gordon Zahler
Music Supervisor