A Fantastic and Spectacular Voyage... Through the Human Body... Into the Brain.

In order to save an assassinated scientist, a submarine and its crew are shrunk to microscopic size and injected into his bloodstream.

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Main Cast: Stephen Boyd, Raquel Welch, Edmond O'Brien, Donald Pleasence, Arthur O'Connell, William Redfield, Arthur Kennedy, Jean Del Val, Barry Coe, Ken Scott

Director: Richard Fleischer

Writers: Jerome Bixby, Otto Klement, Harry Kleiner

Editor: William B. Murphy

Cinematographer: Ernest Laszlo

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