Larry Buchanan Director, Screenwriter, Producer John Agar Dr. Curt Taylor Actor Susan Bjurman Anne Taylor Actor Tony Huston Keith Ritchie Actor Neil Fletcher Gen. Matt Young Actor Pat Delaney Martha Ritchie Actor Warren Hammack John Actor Bill Thurman Sheriff Brad Crenshaw Actor Jeff Alexander Rocket Scientist at Zone 6 Actor Hillman Taylor Screenwriter Robert B. Alcott Cinematographer Ronald Stein Original Music Robert Dracup Art Director