Edward G. Robinson
Damon Welles / Jules Chautard
Mary Astor
Jessica Wells
Ricardo Cortez
Ben Weston
Mae Clarke
Daphne Flowers
Louis Calhern
Stanley Vance
Arthur Byron
Dr. Kendall
John Eldredge
Barry
David Landau
Curtis
Emily Fitzroy
Hattie
Henry O'Neill
Inspector Crane
Anton Stengel
Stage Manager
Arthur Aylesworth
Morgue Keeper
Margaret Dale
Aunt Martha Temple
Virginia Sale
Peabody
Ray Cooke
Bellboy (uncredited)
Mary Russell
Debutante (uncredited)