Story Line
In order to save an assassinated scientist, a submarine and its crew are shrunk to microscopic size and injected into his bloodstream.
“A Fantastic and Spectacular Voyage... Through the Human Body... Into the Brain.”
Top 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
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Rating
6.7/ 10
Release Date
1966-08-24
Runtime
1h 41m
Genres
Science FictionAdventure
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User Reviews (3)
John Chard
8/10
•1/7/2019Combined Miniature Deterrent Forces
A medical and science crew board a submarine and are miniaturised and injected into an important foreign scientist's body. The mission is to remove a blood clot on his brain that was suffered during an assassin...
Peter McGinn
6/10
•2/20/2021I remember I really liked this movie when I was a teenager, along with the novel by Isaac Asimov that was based on the screenplay. (I never read the original story they based the screenplay on.) It was adventurous fun. I don’t recall if I was titilla...
CinemaSerf
7/10
•1/6/2026Back in the days of three-channel telly in Britain, this was one of the regular sci-fi staples that I really quite enjoyed as I grew up. It features “Messala” himself - Stephen Boyd, only this time he is being placed into a submarine with “Cora” (Raq...