Macdonald Carey as Dr. Timothy Kane / Dr. Broadway

Jean Phillips as Connie Madigan

Eduardo Ciannelli as Vic Telli (as Edward Cianelli)

Richard Lane as Police Sgt. Patrick Doyle

J. Carrol Naish as Jack Venner

Joan Woodbury as Margie Dove

Arthur Loft as Capt. Mahoney

Warren Hymer as Maxie the Goat

Frank Bruno as Marty Weber

Sid Melton as Louie La Conga (as Sidney Melton)

Gerald Mohr as Red

Olin Howland as The Professor

Mary Gordon as Broadway Carrie

Jay Novello as Greeny

Spencer Charters as Oscar Titus

Charles C. Wilson as District Attorney McNamara

Thomas W. Ross as Magistrate

Abe Dinovitch as Benny

Olin Howland as The professor

John Gallaudet as Al

Al Hill as Jerry

Edward Earle as Assistant District Attorney Hayes

William Haade as Dynamo

Phil Arnold as Hershel, newsboy

Francis Sayles as Clerk

Joe Ploski as Stooge

Don Brodie as Customer

Cyril Ring as Diner

Lew Davis as Weasel-faced man

Harry Depp as Customer

George Turner as Kid O'Regan

Lester Dorr as Little man

Phil Harron as Sinister man

Walter Soderling as Blind Man

Kernan Cripps as Sergeant

John Hamilton as Inspector

Milton Kibbee as Patient

Eddie Bruce as Cameraman

Billy Wayne as Cabbie

Jack Norton as Drunk

Edward Hearn as Jim, policeman

Lee Prather as Tom, relief policeman

Howard M. Mitchell as Spectator

Harry Harvey as Pedestrian

Dick Rush as Policeman

Eddie Fetherston as Reporter

Jack Egan as Reporter