The crew of an atomic submarine battle to save the world from global destruction.
Walter Pidgeon
as Admiral Harriman Nelson
Robert Sterling
as Captain Lee Crane
Barbara Eden
as Lieutenant Cathy Conners
Peter Lorre
as Comm. Lucius Emery
Joan Fontaine
as Dr. Susan Hiller
Michael Ansara
as Dr. Miguel Alvares
Frankie Avalon
as Lieutenant Chip Romano
Regis Toomey
as Dr. Jamieson
John Litel
as Vice Admiral B.J. Crawford
Howard McNear
as Congressman Llewellyn Parker
Henry Daniell
as Dr. Zucco
Robert Easton
as Sparks
