Overview
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 as Grant
- Raquel Welch as Cora
- Edmond O'Brien as General Carter
- Donald Pleasence as Dr. Michaels
- Arthur O'Connell as Col. Donald Reid
- William Redfield as Capt. Bill Owens
- Arthur Kennedy as Dr. Duval
- Jean Del Val as Jan Benes
- Barry Coe as Communications Aide
- Ken Scott as Secret Service