Elliott Gould
Robert Caulfield
Acting
James Brolin
Col. Charles Brubaker
Acting
Brenda Vaccaro
Kay Brubaker
Acting
Sam Waterston
Lt. Col. Peter Willis
Acting
O.J. Simpson
Cmdr. John Walker
Acting
Hal Holbrook
Dr. James Kelloway
Acting
Karen Black
Judy Drinkwater
Acting
Telly Savalas
Albain
Acting
David Huddleston
Hollis Peaker
Acting
David Doyle
Walter Loughlin
Acting
Lee Bryant
Sharon Willis
Acting
Denise Nicholas
Betty Walker
Acting
Robert Walden
Elliot Whitter
Acting
James B. Sikking
Control Room Man
Acting
Alan Fudge
Capsule Communicator
Acting
James Karen
Vice President Price
Acting
Jon Cedar
F.B.I. Man Number 1
Acting
Hank Stohl
General Enders
Acting
Norman Bartold
President
Acting
Darrell Zwerling
Dr. Bergen
Acting
Milton Selzer
Dr. Burroughs
Acting
Lou Frizzell
Horace Gruning
Acting
Nancy Malone
Mrs. Peaker
Acting
Paul Picerni
Jerry
Acting
Barbara Bosson
Alva Leacock
Acting
Bob Harks
Reporter (uncredited)
Acting