 Macdonald CareyDr. Timothy Kane, a.k.a. "Dr. Broadway" | Dr. Timothy Kane, a.k.a. "Dr. Broadway" |
 Jean PhillipsConnie Madigan | Connie Madigan |
 J. Carrol NaishJack Venner | Jack Venner |
 Richard LanePatrick Doyle | Patrick Doyle |
 Eduardo CiannelliVic Telli (as Edward Cianelli) | Vic Telli (as Edward Cianelli) |
 Joan WoodburyMargie Dove | Margie Dove |
 Arthur LoftCaptain Mahoney | Captain Mahoney |
 Warren HymerMaxie the Goat | Maxie the Goat |
| FFrank BrunoMarty | Marty |
 Sid MeltonLouie La Conga (as Sidney Melton) | Louie La Conga (as Sidney Melton) |
 Olin HowlandThe Professor | The Professor |
 Gerald MohrRed | Red |
| AAbe DinovitchBenny | Benny |
 Thomas W. RossMagistrate | Magistrate |
 Charles Cahill WilsonDistrict Attorney McNamara | District Attorney McNamara |
 Spencer ChartersOscar Titus | Oscar Titus |
 Mary GordonBroadway Carrie | Broadway Carrie |
 Jay NovelloGreeny | Greeny |
 John GallaudetAl | Al |
 Al HillJerry | Jerry |
 Phil ArnoldHershel, newsboy (uncredited) | Hershel, newsboy (uncredited) |
| PPaul BradleyClerk (uncredited) | Clerk (uncredited) |
 Don BrodieCustomer (uncredited) | Customer (uncredited) |
 Eddie BruceCameraman (uncredited) | Cameraman (uncredited) |
 Kernan CrippsSergeant (uncredited) | Sergeant (uncredited) |
| LLew DavisWeasel-Faced Man (uncredited) | Weasel-Faced Man (uncredited) |
 Harry DeppCustomer (uncredited) | Customer (uncredited) |
 Lester DorrLittle Man (uncredited) | Little Man (uncredited) |
 Edward EarleAssistant District Attorney Hayes (uncredited) | Assistant District Attorney Hayes (uncredited) |
 Jack EganReporter (uncredited) | Reporter (uncredited) |
