A diplomat 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.

Starring:

Arthur Kennedy, Arthur O'Connell, Barry Coe, Brendon Boone, Christopher Riordan, Donald Pleasence, Edmond O'Brien, James Brolin, Jean Del Val, Ken Scott, Kenneth MacDonald, Raquel Welch, Shelby Grant, Stephen Boyd, William Redfield

Genre:

Sci-Fi, Adventure