Michael Shayne
Catherine Wolff
Anna Wolff
Dr. Haggard
Roger Blake
Dudley Wolff
Phillips - the Butler
Chief of Police Jonathan Meek (as Olin Howlin)
Alfred Dunning
Zorah Bey
Coroner Tim Larsen
Caretaker
Call Boy (uncredited)
Maid (uncredited)
Gus aka The Great Merlini (uncredited)
Peggy - the Cook (uncredited)