Chester Morris
Horatio 'Boston Blackie' Black

Janis Carter
Dorothy Anderson

William Wright
Paul Martens

Richard Lane
Inspector Farraday

George E. Stone
The Runt

Robert B. Williams
Matt Healy

Mark Roberts
George Daley

Dorothy Malone
Eileen Daley (Uncredited)

Joseph Crehan
Jumbo Madigan (Uncredited)

Ben Taggart
Traffic Cop (Uncredited)

Minerva Urecal
Miss Wilkinson (Uncredited)

Constance Purdy
Woman in Daley's Office (Uncredited)

Ed Allen
Policeman (Uncredited)

Kenneth Brown
Boy (Uncredited)

Early Cantrell
Margaret Dean (Uncredited)

Lew Davis
Exhibit Attendee (Uncredited)

Edythe Elliott
Mother (Uncredited)

Jack Gardner
Frank (Uncredited)

Fred Graff
Reporter (Uncredited)

Harrison Greene
Arthur Manleder (Uncredited)