Cast
Olin Howland
The Professor
Charles Cahill Wilson
District Attorney McNamara
Harry Harvey
Pedestrian (uncredited)
George Turner
Kid O'Regan (uncredited)
Billy Wayne
Cabbie (uncredited)
J. Carrol Naish
Jack Venner
Jay Novello
Greeny
Al Hill
Jerry
Cyril Ring
Diner (uncredited)
Walter Soderling
Blind Man (uncredited)
Eddie Bruce
Cameraman (uncredited)
Lester Dorr
Little Man (uncredited)
Macdonald Carey
Dr. Timothy Kane, a.k.a. "Dr. Broadway"
Joan Woodbury
Margie Dove
Gerald Mohr
Red
Spencer Charters
Oscar Titus
Phil Arnold
Hershel, newsboy (uncredited)
Jack Egan
Reporter (uncredited)
Eduardo Ciannelli
Vic Telli (as Edward Cianelli)
Warren Hymer
Maxie the Goat
Thomas W. Ross
Magistrate
Don Brodie
Customer (uncredited)
Harry Depp
Customer (uncredited)
Eddie Fetherston
Reporter (uncredited)
Milton Kibbee
Patient (uncredited)
Jean Phillips
Connie Madigan
Kernan Cripps
Sergeant (uncredited)
William Haade
Dynamo (uncredited)
Donald Kerr
Photographer (uncredited)
Jack Norton
Drunk (uncredited)
Richard Lane
Patrick Doyle
Mary Gordon
Broadway Carrie
John Gallaudet
Al
Edward Earle
Assistant District Attorney Hayes (uncredited)
John Hamilton
Inspector (uncredited)
Edward Hearn
Jim, a Policeman (uncredited)
Howard M. Mitchell
Spectator (uncredited)
Arthur Loft
Captain Mahoney
Sid Melton
Louie La Conga (as Sidney Melton)