Lon Chaney Jr.

Kharis

John Carradine

Yousef Bey

Robert Lowery

Tom Hervey

Ramsay Ames

Amina Mansouri

Barton MacLane

Inspector Walgreen

George Zucco

Andoheb, High Priest of Arkan

Frank Reicher

Prof. Matthew Norman

Harry Shannon

Sheriff Elwood

Emmett Vogan

Coroner

Lester Sharpe

Doctor Ayad

Claire Whitney

Ella Norman

Oscar O'Shea

Museum Watchman

Steve Barclay

Tom's Classmate (uncredited)

Jack C. Smith

Deputy Joe (uncredited)

David Bruce

Radio Announcer (uncredited; voice)

Noble 'Kid' Chissell

Townsman (uncredited)

Oliver Cross

Museum Tourist (uncredited)

William Desmond

Museum Tourist (uncredited)

Bess Flowers

Townswoman (uncredited)

Fay Holderness

Policewoman (uncredited)

Michael Jeffers

Townsman (uncredited)

Mira McKinney

Martha Evans (uncredited)

Jack Perrin

Townsman (uncredited)

Jack Rockwell

Deputy (uncredited)

Jack C. Smith

Deputy (uncredited)

Pietro Sosso

Priest (uncredited)

Ivan Triesault

Museum Guide (uncredited)

Dorothy Vaughan

Ada Blake (uncredited)

Carl Vernell

Student (uncredited)

Martha Vickers

Miss McLean - Student (uncredited)

Eddy Waller

Ben Evans (uncredited)

Anthony Warde

Detective at Museum (uncredited)

Caroline Frances Cooke

Townswoman (uncredited)