Cast
Gregory Peck
Charles Keith
Richard Crenna
Jim Pruett
David Janssen
Ted Dougherty
James Franciscus
Clayton Stone
Gene Hackman
Buzz Lloyd
Lee Grant
Celia Pruett
Nancy Kovack
Teresa Stone
Mariette Hartley
Betty Lloyd
Scott Brady
Public Affairs Officer
Frank Marth
Air Force Systems Director
Craig Huebing
Flight Director
John Carter
Flight Surgeon
Vincent Van Lynn
Aerospace Journalist
George Gaynes
Mission Director
Tom Stewart
Houston Cap Com
Duke Hobbie
Air Force Titan Specialist
Walter Brooke
Network Commentator
Dennis Robertson
Launch Director
Kenner G. Kemp
Guest in Observation Room (uncredited)
Crew
Martin Caidin
Novel
John Sturges
Director
Frank Tuttle
Set Decoration
M.J. Frankovich
Producer
Lyle R. Wheeler
Production Design
Walter Thompson
Editor
Daniel L. Fapp
Director of Photography
John Franco
Script Supervisor
Les Fresholtz
Sound
Nelson Tyler
Aerial Camera
W. Wallace Kelley
Second Unit Director of Photography
Lawrence W. Butler
Special Effects
Donald C. Glouner
Special Effects
Arthur Piantadosi
Sound
Buddy Van Horn
Stunt Double
Daniel McCauley
Assistant Director
Norman Stuart
Dialogue Coach
Frank Capra, Jr.
Associate Producer
Robie Robinson
Special Effects
Ralph E. Black
Second Unit Director
Seth Banks
Costumer
William J. O'Sullivan
Production Manager
Mayo Simon
Screenplay
