Hawkins

Bill Clayton from Pittsburgh (uncredited)

Deputy Com. Cowan

Sergeant Walker

Mayberry

Unknown

Assault Force Member (uncredited)

Sgt. Cobb

Assassin

Gen. Diefenbach (uncredited)

Cooper

Space Flight Technician (uncredited)

Unknown

Tower Operator (uncredited)

Bartender (uncredited)

Man with Monkey

Unknown

Lou Hansford

Jack Conway (uncredited)

Card Player (uncredited)

Hotel Manager (uncredited)

Businessman (uncredited)

Major H. H. Arnold

Jake Hawkins

Henry Wade

Dave Clifford

Floyd

Bartender

Murphy

Head Wrangler

Unknown

Captain Nicholas Lockyer

Nurse