as Bill Clayton from Pittsburgh (uncredited)
as Sgt. Cobb
as Mayberry
as Gen. Diefenbach (uncredited)
as Hotel Manager (uncredited)
as Major H. H. Arnold
as Man with Monkey
as Businessman (uncredited)
as Sergeant Walker
as Space Flight Technician (uncredited)
as Jack Conway (uncredited)
as Bartender (uncredited)
as Doctor
as Dr. Chambers
as Pedestrian (Uncredited)
as Final Judge
as Card Player (uncredited)
as Chief Jackson
as Roger Milton
as Frank Brewster
as Tower Operator (uncredited)
as Gen. Winters
as Deputy Com. Cowan
as Bob Haviland
as Cooper
as Assassin
as Nurse
as Head Wrangler
as Henry Wade
as Dave Clifford
as Jake Hawkins
as Murphy
as Bartender
as Floyd
as Chief Canfield
as Captain Nicholas Lockyer
