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)