"Desperate to land a man on the moon before Russia does, NASA hastily preps a would-be spaceman for a mission that would leave him alone in a lunar shelter for a year."
James Caan
as Lee Stegler
Joanna Moore
as Mickey Stegler
Robert Duvall
as Chiz
Barbara Baxley
as Jean
Charles Aidman
as Gus
Steve Ihnat
as Ross Duellan
Michael Murphy
as Rick
Ted Knight
as Walter Larson
Stephen Coit
as Ehrman
John Rayner
as Dunc
Charles Irving
as Seidel
Bobby Riha
as Stevie Stegler
Ray Ballard
as Manager (uncredited)
Benjie Bancroft
as Technician (uncredited)
Arthur Bernard
as Coopersmith (uncredited)
George Blagoi
as Reporter (uncredited)
Ivan Bonar
as Nogrady (uncredited)
Betty Bresler
as Ross's Secretary (uncredited)
Robert Buckingham
as Party Guest (uncredited)
William Conrad
as TV Newscaster (voice) (uncredited)
Robert Cunningham
Ron Doyle
Harry Ellerbe
as Croyden (uncredited)
Mike Farrell
as Houston Engineer (uncredited)
Sharron Frye
as Marion (uncredited)
David Greene
Stacy Harris
Vincent Howard
as Facility Director (uncredited)
James Johnson
Mike Lally
Frank Mathias
Jana Pearce
as Girl (uncredited)
Bob Peoples
Ray Pourchot
Robert Ridgely
as Little Bob (uncredited)
Christopher Riordan
as Employee (uncredited)
Don Rizzan
Clete Roberts
as Announcer (uncredited)
Stewart Rose
Jerry Rush
as Cameraman (uncredited)
Ron Stokes
Garrison True
as Engineer (uncredited)
Robert Altman
Director
Loring Mandel
Screenplay
Hank Searls
Novel
Jimmy Lydon
Producer
Executive Producer
Ralph S. Hurst
Set Decoration
Gordon Bau
Makeup Supervisor
Jean Burt Reilly
Hairstylist
Russell Llewellyn
Unit Manager
Victor Vallejo
Assistant Director
Frank L. Brown
Set Dresser
Everett A. Hughes
Sound
Eddie Hice
Stunt Double
Dan Wallin
Scoring Mixer
Script Supervisor
William W. Spencer
Director of Photography
Gene Milford
Editor
Leonard Rosenman
Original Music Composer
Jack Poplin
Art Direction
Bob Fender
Unit Publicist