Director
Irwin Allen
DIRECTOR
Stars (in credits order)
Walter Pidgeon
Adm. Harriman Nelson
Joan Fontaine
Dr. Susan Hiller
Barbara Eden
Lt Cathy Connors
Peter Lorre
Comm. Lucius Emery
Robert Sterling
Capt. Lee Crane
Michael Ansara
Miguel Alvarez
Frankie Avalon
Lt (j.g.) Danny Romano
Regis Toomey
Dr. Jamieson
John Litel
Vice-Adm. B.J. Crawford
Howard McNear
Congressman Llewellyn Parker
Henry Daniell
Dr. Zucco
Skip Ward
Crew member
Mark Slade
Seaman Jimmy 'Red' Smith
Charles Tannen
CPO Gleason
Del Monroe
Seaman Kowalski
Tony Monaco
Cookie
Michael Ford
Robert Easton
Sparks
Jonathan Gilmore
Seaman George Young
Richard Adams
Crew Memberuncredited
Al Bain
Delegateuncredited
Art Baker
UN Commentatoruncredited
Benjie Bancroft
Harry Baum
Gary Bohn
Brad Brown
Guarduncredited
Robert Buckingham
Michael Cirillo
Harry Denny
Charles Dierkop
Pilot of the Seaviewuncredited
George Diestel
Lt. Hodgesuncredited
Raoul Freeman
John Giovanni
Italian Delegateuncredited
Larry Gray
Dr. Newmaruncredited
Bhupesh Guha
William Herrin
Kendrick Huxham
UN Chairmanuncredited
Esther Ying Lee
Robert Locke Lorraine
David McLean
Ned Thompsonuncredited
Jimmy Murphy
George Nardelli
Ron Nyman
Paul Power
Paul Ravel
Edward Rickard
Officeruncredited
Scott Seaton
Leslie Sketchley
Ray Spiker
Robert Strong
Hal Taggart
Rodger Terry