Len Wayland

as Calvin Mayer

as Isaiah Tomkins

as Captain of Detectives

as Utah Crash Site Officer (uncredited)

as Dorn

as Homer Nelson

as Jim Donner

as Mr. Gentry

as Dr. Carson

as Major Jason

as Sgt. Morrison

as Chief Bill Kress

as Deputy Wallace

as Chief Wedlow

as Horace Denver

as Sgt. Porter

as Bartender

as Simon

as Frank at Scrap Yard

as Jack Mayhew

as SAC McLean

as Bill Kerpanski (uncredited)

as Sgt. Al Maxwell

as Captain Bolling

as Marvin Manley

as Karley

as Mr. Grimes

as Clayton (Uncredited)

as Executive

as Officer

as Captain Whelan

as Capt. Kronman

as Agent Foster

as Lt. Omar Blix

as McMurtry

as George Ganzer

as Darrow

as McLean

as Ted Barnsdale

as Johnson

as Commander Masterson

as Detective #1

as Capt. Tom Clagett

as Harley