The Giant Claw

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)