Directer : Richard Talmadge
Producer : Jack Seaman
Written by Robert A. Heinlein, Jack Seaman
Cinematography by William C. Thompson
Film Editer : Roland Gross
Music : Herschel Burke Gilbert
Production Designer : Jerome Pycha Jr.
Costume Designer : Jack E. Miller
Associate Producer : Karl H. Johnson
Assistant Director : Leonard J. Shapiro
Photographic effects : Jack R. Glass
Miniatures : Jacques Fresco, Howard Weeks
Make-Up : Harry Thomas
Sound Effects Editor : Ted Bellinger
Sound : Joel Moss, William Randall
Orchestration : Joseph Mullendorf
Cast
Ross Ford(Maj. Bill Moore)
Donna Martell(Colonel Breiteis)
Hayden Rorke(Gen. "Pappy" Greene)
Larry Johns(Dr. Wernher)
Herb Jacobs(Dr. Roundtree)
Robert Karnes(Sam, an enemy agent)
Barbara Morrison(Polly Prattles)
Peter Adams(Capt. Carmody, pilot)
James Craven(Commodore Carlson)
Ernestine Barrier(Madame President)
Robert Paltz(Bellboy)
John Straub(Chaplain)
John Tomecko(Blockhouse Air Controller)