David Seville
Gary Lockwood
Jim Capa
Scott Hylands
Hannah Young
Diana Webster
Steiner
Bart Burns
Hazlitt
John Carter
Chairman
Herbert Nelson
Russian
Serge Tschernisch
Technician
Vince Cannon
Surgeon
David Sachs
West
Bob Hoy
Chinese Military Official
James Hong
Chinese Diplomat
Soon-Tek Oh
Dr. Loren Huxley
Hari Rhodes
Mission Control Worker
Stack Pierce
Frank Karger
Anthony Franciosa
Lisa Karger
Mariette Hartley
Walter Dietrich
Gary Merrill
Ilyana Kovalefskii
Inga Swenson
Anton Kovalefskii
Edward Bell
President Charles Carter Durant
Lew Ayres
Matt Karger
Brian Dewey
Original Music Composer
Lalo Schifrin
Music
Director
Tom Gries
Screenplay
Allan Balter
William Read Woodfield
Director of Photography
Michel Hugo
Producer
Editor
Henry Berman
Casting
Joe Scully
Art Direction
Edward C. Carfagno
George W. Davis
Cosmo Anzilotti
Set Decoration
Robert R. Benton
Charles Pierce
Special Effects
J. McMillan Johnson
Special Effects Coordinator
Jim Danforth