 Aline MacMahonNurse Sarah Keate | Nurse Sarah Keate |
 Guy KibbeeDetective Lt. Lance O'Leary | Detective Lt. Lance O'Leary |
 Patricia EllisMarch Federie, Richard's Granddaughter | March Federie, Richard's Granddaughter |
 Hobart CavanaughEustace Federie | Eustace Federie |
 Dorothy TreeMittie Federie | Mittie Federie |
 Robert BarratAdolphe Federie | Adolphe Federie |
 Helen FlintIsobel Federie - Adolphe's Wife | Isobel Federie - Adolphe's Wife |
 Lyle TalbotRoss Lonergan | Ross Lonergan |
 Henry O'NeillElihu Dimuck | Elihu Dimuck |
| WWalter WalkerRichard Federie | Richard Federie |
 Allen JenkinsPolice Sgt. Jim Jackson | Police Sgt. Jim Jackson |
| EEddie ShubertDetective Muldoon | Detective Muldoon |
 Russell HicksDr. Jay | Dr. Jay |
 Brandon HurstGrondal - the Butler | Grondal - the Butler |
 Joseph E. Bernard'Murph' Murphy - the Ballistics Expert (uncredited) | 'Murph' Murphy - the Ballistics Expert (uncredited) |
 George ChandlerEvening Bulletin Reporter (uncredited) | Evening Bulletin Reporter (uncredited) |
| NNick CopelandDetective Davis aka Johnson (uncredited) | Detective Davis aka Johnson (uncredited) |
 Joseph CrehanEvening Bulletin Editor (uncredited) | Evening Bulletin Editor (uncredited) |
 Bill ElliottBank Teller (uncredited) | Bank Teller (uncredited) |
 Virginia HowellKema - the Cook (uncredited) | Kema - the Cook (uncredited) |
 Milton KibbeeEvening Bulletin Archivist (uncredited) | Evening Bulletin Archivist (uncredited) |
| HHenry OthoFrank - Detective (uncredited) | Frank - Detective (uncredited) |
 John J. RichardsonReporter (uncredited) | Reporter (uncredited) |
 Ferdinand Schumann-HeinkReporter (uncredited) | Reporter (uncredited) |
| HHarry SeymourPhotographer (uncredited) | Photographer (uncredited) |
| HHuey WhiteSarah's Taxi Driver (uncredited) | Sarah's Taxi Driver (uncredited) |
| JJack WiseReporter (uncredited) | Reporter (uncredited) |
