Richard Egan
as
Dr. David Sheppard
John Wengraf
as
Dr. Zeitman
William Schallert
as
Engle
Billy Curtis
as
Gog / Magog operator
Sabin Tambrea
as
August Gyldenstople
Daniel Olbrychski
as
Emile Amagat
Christian Harting
as
Journalist
Anna Thalbach
as
Woman in the crowd
James Villiers
as
Captain Gregory
Walter Gotell
as
Major Holland
Kenneth Cope
as
Sid
Tom Kempinski
as
Ted
Mervyn LeRoy
Director
Gene Lockhart
as
Bit Part
Edward Fielding
as
Board Member
Gigi Perreau
as
Eve at 18 Months
Pierre Watkin
as
Mayor Bremer
Charles Evans
as
Police Chief Camden
John Roy
as
Reporter
Janet Julian
as
Sandy Ralston
Page Fletcher
as
Tom Rice
Leo McKern
as
Insp. 'Mac' McGill
John Harvey
as
Maj. Cartwright
Kenneth Cope
as
Sapper Lansing
Edwin Richfield
as
Soldier Burned on Back
Merv Griffin
as
Announcer & Bespectacled Man
Don Gordon
as
Soldier
Paul Picerni
as
Trailer Commentator
Vera Miles
as
Trailer Commentator
Forrest Tucker
as
Alan Brooks
Warren Mitchell
as
Crevett
Colin Douglas
as
Hans
Jennifer Jayne
as
Sarah Pilgrim
Masahiro Takashima
as
Major Sho Kuroki
Kenzo Ogiwara
as
Nomura
Akira Takarada
as
Ogata
Yôko Ishino
as
Yukari Yamane
Patrick Magee
as
Dr. Henderson
Paul Farrell
as
Jason
Boris Karloff
as
Nahum Witley
Nick Adams
as
Stephen Reinhart