Doctor X

Lionel Atwill

as

Dr. Jerry Xavi...

Fay Wray

as

Joanne Xavier

Lee Tracy

as

Lee Taylor

Preston Foster

as

Dr. Wells

John Wray

as

Dr. Haines

Harry Beresford

as

Dr. Duke

Arthur Edmund ...

as

Dr. Rowitz

Leila Bennett

as

Mamie

Robert Warwick

as

Commissioner S...

George Rosener

as

Otto, Dr. Xavi...

Willard Robert...

as

Detective O'Ha...

Thomas E. Jack...

as

Daily World Ed...

Harry Holman

as

Mike, Waterfro...

Mae Busch

as

Cathouse Madame

Tom Dugan

as

Sheriff

Raoul Freeman

as

Morgue Detecti...

Selmer Jackson

as

Willard Keefe,...

Charles McMurp...

as

Detective at H...

Ky Robinson

as

Morgue Detecti...

Louise Beavers

as

Louise (Uncred...