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Casting

Director

John Sturges

Producer

M.J. Frankovich

Screenplay

Mayo Simon

Novel

Martin Caidin

Director of Photography

Daniel L. Fapp

Editor

Walter Thompson

Production Design

Lyle R. Wheeler

Set Decoration

Frank Tuttle

Gregory Peck
Gregory PeckCharles Keith
Richard Crenna
Richard CrennaJim Pruett
David Janssen
David JanssenTed Dougherty
James Franciscus
James FranciscusClayton Stone
Gene Hackman
Gene HackmanBuzz Lloyd
Lee Grant
Lee GrantCelia Pruett
Nancy Kovack
Nancy KovackTeresa Stone
Mariette Hartley
Mariette HartleyBetty Lloyd
Scott Brady
Scott BradyPublic Affairs Officer
?
Frank MarthAir Force Systems Director
?
Craig HuebingFlight Director
John Carter
John CarterFlight Surgeon
?
Vincent Van LynnAerospace Journalist
George Gaynes
George GaynesMission Director
?
Tom StewartHouston Cap Com
Duke Hobbie
Duke HobbieAir Force Titan Specialist
Walter Brooke
Walter BrookeNetwork Commentator
?
Dennis RobertsonLaunch Director
Kenner G. Kemp
Kenner G. KempGuest in Observation Room (uncredited)