Chester Morris

Horatio 'Boston Blackie' Black

Erik Rolf

Dooley Watson

Jeanne Bates

Mary Watson

Richard Lane

Insp. John Farraday

George E. Stone

The Runt

Lloyd Corrigan

Arthur Manleder

Douglas Fowley

Nails Blanton (Uncredited)

Sid Melton

Benny Hines (Uncredited)

Ray Teal

Policeman Joe (Uncredited)

Maude Eburne

Edna Counihan (Uncredited)

Arthur Hunnicutt

Elwood "Tex" Stewart (Uncredited)

Cy Kendall

Jumbo Madigan (Uncredited)