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)

Buddy Van Horn

Stunt Double

John Sturges

Director

John Franco

Script Supervisor

Daniel McCauley

Asistente de Dirección

Ralph E. Black

Second Unit Director

Mayo Simon

Guión, Guión Adaptado

Martin Caidin

Novela

Daniel L. Fapp

Director de Fotografía

W. Wallace Kelley

Second Unit Director of Photography

Nelson Tyler

Aerial Camera

Nancy Kovack

Compositor de la Música Original

Mariette Hartley

Compositor de la Música Original

Les Fresholtz

Sound

Arthur Piantadosi

Sound

M.J. Frankovich

Productor

Columbia Pictures

Compañía de Produccion

Frank Capra, Jr.

Productor Asociado

William J. O'Sullivan

Production Manager

Seth Banks

Costumer

Walter Thompson

Editor

Lyle R. Wheeler

Diseño de Producción

Frank Tuttle

Decorados

Donald C. Glouner

Special Effects

Lawrence W. Butler

Special Effects

Robie Robinson

Special Effects

Norman Stuart

Dialogue Coach