In order to save an assassinated scientist, a submarine and its crew are shrunk to microscopic size and injected into his bloodstream.
Cast
Stephen Boyd
Grant
Raquel Welch
Cora
Edmond O'Brien
General Carter
Donald Pleasence
Dr. Michaels
Arthur O'Connell
Col. Donald Reid
William Redfield
Capt. Bill Owens
Arthur Kennedy
Dr. Duval
Jean Del Val
Jan Benes
Barry Coe
Communications Aide
Ken Scott
Secret Service
Shelby Grant
Nurse
James Brolin
Technician
Brendan Fitzgerald
Wireless Operator
Brendon Boone
Military Policeman (uncredited)
James Doohan
Dr. Sawyer (Hypothermia technician) (uncredited)
Kenneth MacDonald
Henry - Heart Monitoring (uncredited)
Christopher Riordan
Young Scientist (uncredited)
Crew
Richard Fleischer
Director
David Duncan
Adaptation
Harry Kleiner
Screenplay
Otto Klement
Story
Jerome Bixby
Story
William B. Murphy
Editor
Ernest Laszlo
Director of Photography
Ad Schaumer
Assistant Director
Saul David
Producer
Margaret Donovan
Hairstylist
Ben Nye
Makeup Artist
Walter Rossi
Sound Effects
David Dockendorf
Sound
Bernard Freericks
Sound
Art Cruickshank
Special Effects
Emil Kosa Jr.
Special Effects
L.B. Abbott
Special Effects
Leonard Rosenman
Original Music Composer
Walter M. Scott
Set Decoration
Stuart A. Reiss
Set Decoration
Fred Zendar
Technical Advisor
Peter Foy
Aerial Coordinator
Eric Stacey
Unit Production Manager
Harper Goff
Researcher
Richard Kuhn
Title Designer
Dale Hennesy
Art Direction
Jack Martin Smith
Art Direction
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