The Mad Ghoul

George Zucco

as Dr. Alfred Morris

David Bruce

as Ted Allison

Evelyn Ankers

as Isabel Lewis

Turhan Bey

as Eric Iverson

Robert Armstrong

as 'Scoop' McClure

Milburn Stone

as Sgt. Macklin

Addison Richards

as Editor Gavigan

Rose Hobart

as Della Elliott, reporter

Andrew Tombes

as Mortician Eagan

Charles McGraw

as Detective Garrity

Lillian Cornell

as Isabel's Singing Voice (voice) (uncredited)

Gus Glassmire

as 1st Cemetery Caretaker

Gene O'Donnell

as Radio Reporter (uncredited)

Mike Lally

as Reporter (uncredited)

Chuck Hamilton

as Policeman (uncredited)

Hans Herbert

as Attendant (uncredited)

Isabel La Mal

as Maid (uncredited)

Bess Flowers

as Woman in Audience (uncredited)

Cyril Ring

as Man in Audience (uncredited)

Bert Moorhouse

as Man in Audience (uncredited)

Edmund Mortimer

as Man in Audience (uncredited)

Lew Kelly

as Stagehand (uncredited)

William Ruhl

as Stagehand (uncredited)