Reparto
Walter Pidgeon
Admiral Harriman Nelson
Robert Sterling
Captain Lee Crane
Barbara Eden
Lieutenant Cathy Conners
Peter Lorre
Comm. Lucius Emery
Joan Fontaine
Dr. Susan Hiller
Michael Ansara
Dr. Miguel Alvares
Frankie Avalon
Lieutenant Chip Romano
Regis Toomey
Dr. Jamieson
John Litel
Vice Admiral B.J. Crawford
Howard McNear
Congressman Llewellyn Parker
Henry Daniell
Dr. Zucco
Robert Easton
Sparks
Charles Tannen
CPO Mack Gleason
Mark Slade
Seaman Jimmy 'Red' Smith
Del Monroe
Seaman Kowski
Jonathan Gilmore
Seaman George Young
Skip Ward
Crew Member
Jimmy Murphy
Crew Member (Uncredited)
David McLean
Ned Thompson (Uncredited)
Charles Dierkop
Seaview Pilot (Uncredited)
Kendrick Huxham
UN Committee Chairman (Uncredited)
Art Baker
UN Commentator (Uncredited)
Al Bain
Delegate (Uncredited)
George Nardelli
Delegate (Uncredited)
Scott Seaton
Delegate (Uncredited)
Ray Spiker
Delegate (Uncredited)
