Jeff Morrow
Mitchell 'Mitch' MacAfee
Mara Corday
Sally Caldwell
Morris Ankrum
Lt. Gen. Edward Considine
Louis Merrill
Pierre Broussard
Edgar Barrier
Dr. Karol Noymann
Robert Shayne
Gen. Van Buskirk
Frank Griffin
Pete - Pilot
Clark Howat
Maj. Bergen
Morgan Jones
Lieutenant, Radar Officer
Benjie Bancroft
Civil Aeronautics Board Member (uncredited)
Brad Brown
Pool Party Diver (uncredited)
Al Cantor
AF Projectionist (uncredited)
George Cisar
Admonishing Man on Airliner (uncredited)
Bud Cokes
Civil Aeronautics Board Member (uncredited)
Leonard P. Geer
Paramedic (uncredited)
Dabbs Greer
Fighter Pilot, (archive footage) (uncredited)
Sol Murgi
Civil Aeronautics Board Member (uncredited)
Fred F. Sears
Narrator (voice) (uncredited)
Robert B. Williams
First State Trooper (uncredited)