出演者一覧（57名）
Eddie Albert
Adm. Wiley Sloan
John Carradine
Ronald Bentley
Alex Cord
Dr. Sam Marlowe
ロバート・フォスター
Comdr. Jeff Selkirk
Frank Gorshin
Dan Wesker
マーク・ハーモン
Peter Cabot
クリストファー・リー
John McKenzie
?
Tom Dunstan
Agra Worker
?
Bruce Heighley
Technician
?
Robert Paul Jordan
(voice)
?
John Berwick
Crewman
Laurence Haddon
Cpt. Volero (uncredited)
Julie Bennett
Sylvia King
?
Michael White
PC18 Officer
?
Sandy Simpson
Moore
John Brandon
Chief Engineer (uncredited)
?
Clete Roberts
Newscaster (uncredited)
Kirk Cameron
Liam
Hedley Mattingly
Bailey
?
Peter Stader
Ed Linder (uncredited)
?
Lawrence Levine
(uncredited)
Michael Evans
Eric Whittaker
Alan Fudge
Lew Bascomb
Warwick Sims
Luke Crane
Lori Lethin
Maria (uncredited)
?
Laird Stuart
Paul (uncredited)
Peter von Zerneck
Hoffman
Kip Niven
Gantman (uncredited)
George Innes
Dave Winter
Belinda Mayne
Sally Crane
?
Duncan Regehr
Paul Ryker
Colin Drake
Old Man
Jean Marsh
Dr. Goldman
John McIntire
Sen. Oliver Bartholomew
Emma Samms
Lea McKenzie
Christina Nigra
Beth
Irene Hervey
Carrie (uncredited)
ジョン・ラッツェンバーガー
Bill Sweeney
?
Lawrence Benedict
Young Bailey (uncredited)
?
Michael M. Vendrell
Robbie Cole (uncredited)
Tom Willett
Lambeth Walk Dancer (uncredited)
Jeanette Nolan
Sarah Bartholomew
?
Alan Caillou
Goliath Captain (uncredited)
Michael Jeffers
Community Member
Arthur Tovey
Community Member
?
Robert Cole
Community Member
?
Lars Hensen
Community Member
?
Arnold Roberts
Community Member
?
Sam L. Nickens
Community Member
?
Nick Borgani
Community Member
?
Shirley Anthony
Reporter
?
Bernard Sell
Community Member
?
Robert Strong
Community Member
Rorion Gracie
Reporter
?
Nico Stevens
Reporter
?
Len Felber
Community Member
?
Jim Michael
Community Member