Fantastic Voyage (1966)

PG  |   |  Adventure, Family, Sci-Fi  |  24 August 1966 (USA)
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Ratings: 6.9/10 from 12,503 users  
Reviews: 86 user | 63 critic

A scientist is nearly assassinated. In order to save him, a submarine is shrunken to microscopic size and injected into his blood stream with a small crew. Problems arise almost as soon as they enter the bloodstream.



(screenplay), (adaptation), 2 more credits »
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Won 2 Oscars. Another 2 wins & 6 nominations. See more awards »



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Complete credited cast:
William Redfield ...
Jean Del Val ...
Barry Coe ...
Communications Aide
Ken Scott ...
Secret Service
Shelby Grant ...
Brendan Fitzgerald ...
Wireless Operator


Scientist Jan Benes, who knows the secret to keeping soldiers shrunken for an indefinite period, escapes from behind the Iron Curtain with the help of CIA agent Grant. While being transferred, their motorcade is attacked. Benes strikes his head, causing a blood clot to form in his brain. Grant is ordered to accompany a group of scientists as they are miniaturized. The crew has one hour to get in Benes's brain, remove the clot and get out. Written by Brian Washington <>

Plot Summary | Plot Synopsis


Four men and one woman on the most fantastic, spectacular and terrifying journey of their lives... See more »

Motion Picture Rating (MPAA)

Rated PG for mild violence and language | See all certifications »

Parents Guide:





Release Date:

24 August 1966 (USA)  »

Also Known As:

Microscopia  »

Box Office


$5,115,000 (estimated)

Company Credits

Show detailed on  »

Technical Specs


Sound Mix:

(Westrex Recording System)


Aspect Ratio:

2.35 : 1
See  »

Did You Know?


The miniature brain sets were used to represent the interior of the alien spacecraft in Lost in Space: The Derelict (1965). See more »


Wires are visible when the sub is in the lymphatic system just prior to moving to the inner ear. Wires show on the sub, the reticulated fibers, and even on the "invading bodies." See more »


Cora Peterson: We're going to see things no one has ever seen before. Just think about it.
Grant: That's the trouble. I am.
See more »


Featured in Viden om: Mekanik i kroppen (1999) See more »

Frequently Asked Questions

See more (Spoiler Alert!) »

User Reviews

A Great Thriller
21 July 2003 | by (Los Angeles, California) – See all my reviews

This is not only a great science fiction film, it is also a great thriller as well. I especially loved the fact that this was supposedly done in "real time" and that the characters and that it was not only a mission to save the scientist life, but a race against time before the miniaturization wore off. Also, even though the effects are dated, they still were pretty good for the era they were produced in.

18 of 27 people found this review helpful.  Was this review helpful to you?

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So how many episodes of tv shows has this movie inspired? FrankDrebinPoliceSquad
What became of Benes with the Proteus still inside him? pschwens
This movie really should be remade... who would be a good cast? Perkunas
Miniatualization and mass okamoto-ryoji
Hilarious! delfin-14
Remake jaceperley
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