Boşluktaki Kahramanlar

Sam Shepard Chuck Yeager Scott Glenn Alan Shepard Ed Harris John Glenn Dennis Quaid Gordon Cooper Fred Ward Gus Grissom Barbara Hershey Glennis Yeager Kim Stanley Pancho Barnes Veronica Cartwright Betty Grissom Pamela Reed Trudy Cooper Scott Paulin Deke Slayton Charles Frank Scott Carpenter Lance Henriksen Wally Schirra Donald Moffat Lyndon B. Johnson Levon Helm Jack Ridley / Narrator Mary Jo Deschanel Annie Glenn Scott Wilson Scott Crossfield Kathy Baker Louise Shepard Mickey Crocker Marge Slayton Susan Kase Rene Carpenter Mittie Smith Jo Schirra Royal Dano Minister David Clennon Liaison Man Jim Haynie Air Force Major Jeff Goldblum NASA Recruiter Harry Shearer NASA Recruiter Scott Beach Chief Scientist Jane Dornacker Nurse Murch Anthony Munoz Gonzales John P. Ryan Head of Program Darryl Henriques Life Reporter Eric Sevareid Himself William Russ Slick Goodlin Drew Letchworth The Permanent Press Corps Christopher P. Beale The Permanent Press Corps Richard Dupell The Permanent Press Corps William Hall The Permanent Press Corps John X. Heart The Permanent Press Corps Ed Holmes The Permanent Press Corps Jack Bruno Tate The Permanent Press Corps Edward Anhalt Grand Designer Mary Apick Woman Reporter Robert Beer Dwight D. Eisenhower Erik Bergmann Eddie Hodges James Brady Aide to Lyndon B. Johnson Katherine Conklin Woman TV Reporter Maureen Coyne Waitress Tom Dahlgren Bell Aircraft Executive John Lion Bell Aircraft Executive Peggy Davis Sally Rand John Dehner Henry Luce Robert Elross Review Board President Drew Eshelman Assistant Scientist Robert J. Geary Game Show M.C. Royce Grones 1st X-1 Pilot David Gulpilil Aborigine Anthony Wallis Australian Driver Kaaren Lee Young Widow Sandy Kronemeyer Cocoa Beach Girl Frankie Di Cocoa Beach Girl Michael Pritchard Texan Edward Corbett Texan O-Lan Jones Girl at Pancho's Mark Todd Astronaut Trainee Allen Gebhardt Astronaut Trainee Chuck Yeager Fred Mimi Sarkisian New Mexico Nurse in Lobby (uncredited)