Bert I. Gordon Director, Producer Peter Graves Dr. Ed Wainwright Actor Peggie Castle Audrey Aimes Actor Morris Ankrum Gen. John Hanson Actor Richard Benedict Cpl. Mathias Actor James Seay Capt. James Barton Actor Thomas Henry Col. Tom Sturgeon Actor Than Wyenn Frank Johnson Actor John Close Maj. Everett Actor Fred Freiberger Screenwriter Lester Gorn Screenwriter Jack A. Marta Cinematographer Aaron Stell Film Editing Albert Glasser Original Music Walter E. Keller Art Director