Lew Ayres
Oliver Duffy
Laraine Day
Edwina 'Eddie' Brown
Basil Rathbone
Cesar Ferrari / Dr. H. Santelle
Walter Kingsford
Dr. Cromwall
Miles Mander
Dr. Kurt Immelman
Charles D. Brown
Police Inspector Gallagher
Cliff Clark
Police Lieutenant Allison
James Flavin
Police Lieutenant Schaeffer
Russell Gleason
Ogilvie
William Tannen
Devlan
Mark Daniels
Haguey
Bert Roach
Krum
Russell Hicks
Dr. Chandley
Charles Wagenheim
Fred F. Bixley
