William Powell

~ as ~

Philo Vance

William 'Stage' Boyd

~ as ~

Harry Gray

Eugene Pallette

~ as ~

Sgt. Edward Heath

Paul Lukas

~ as ~

Adolph Mohler

Natalie Moorhead

~ as ~

Fanny Del Roy

Richard Tucker

~ as ~

Anthony Benson

May Beatty

~ as ~

Mrs. Paula Banning

E.H. Calvert

~ as ~

DA John F.X. Markham

Mischa Auer

~ as ~

Albert Brecker (uncredited)

Perry Ivins

~ as ~

Print Dealer (uncredited)