Midnight Phantom

Reginald Denny

— Prof. David Graham

Lloyd Hughes

— Lieut. Dan Burke

Claudia Dell

— Diana Sullivan

Jim Farley

— Chief James A. Sullivan

John Elliott

— Capt. Bill Withers

Barbara Bedford

— Kathleen Ryan

Mary Foy

— Mary Ryan

Francis Sayles

— Police Surgeon Kelly

Al St. John

— Radio Officer Jones