Robert Brubaker

as Final Judge

as Bob Haviland

as Hawkins

as Doctor

as Bill Clayton from Pittsburgh (uncredited)

as Deputy Com. Cowan

as Chief Jackson

as Sergeant Walker

as Gen. Winters

as Mayberry

as Sgt. Cobb

as Assassin

as Gen. Diefenbach (uncredited)

as Assault Force Member (uncredited)

as Cooper

as Space Flight Technician (uncredited)

as Dr. John Connor

as Chief Canfield

as Roger Milton

as Frank Brewster

as Tower Operator (uncredited)

as Bartender (uncredited)

as Dr. Chambers

as Man with Monkey

as Lou Hansford

as Jack Conway (uncredited)

as Card Player (uncredited)

as Hotel Manager (uncredited)

as Businessman (uncredited)

as Major H. H. Arnold

as Head Wrangler

as Henry Wade

as Jake Hawkins

as Dave Clifford

as Murphy

as Bartender

as Floyd

as Captain Nicholas Lockyer

as Nurse

as Pedestrian (Uncredited)