Franklin Pangborn

~ as ~

Dr. Watkins

Charles Judels

~ as ~

Philo Holmes

William Tannen

~ as ~

Ronny Belvedere

Pauline Brooks

~ as ~

Lucy Willoughby

Mischa Auer

~ as ~

Servant (uncredited)

Phil Dunham

~ as ~

Night Club Reveller (uncredited)

Sarah Edwards

~ as ~

Housekeeper (uncredited)

Otto Hoffman

~ as ~

Grandfather Willoughby (uncredited)

Colin Kenny

~ as ~

Detective at Crime Scene (uncredited)

C. Montague Shaw

~ as ~

Luther Butts, Barrister Victim (uncredited)