 Bonita GranvilleNancy Drew | Nancy Drew |
 Frankie ThomasTed Nickerson | Ted Nickerson |
 John LitelCarson Drew | Carson Drew |
 Frank OrthCaptain Tweedy | Captain Tweedy |
 Renie RianoEffie Schneider | Effie Schneider |
 Vera LewisRosemary Turnbull | Rosemary Turnbull |
 Louise CarterFloretta Turnbull | Floretta Turnbull |
 William GouldDaniel Talbert | Daniel Talbert |
 George GuhlSmitty | Smitty |
 John RidgelyReporter | Reporter |
 William HopperReporter | Reporter |
 Creighton HaleReporter | Reporter |
 Frank MayoTribune Photographer | Tribune Photographer |
 Frederic TozereDistrict Attorney's Investigator | District Attorney's Investigator |
 Don RowanPhillips | Phillips |
 Dick ElliottMcKeever | McKeever |
| FFern BarryMcKeever's Secretary (uncredited) | McKeever's Secretary (uncredited) |
 Nat CarrPoliceman (uncredited) | Policeman (uncredited) |
 Sol GorssReporters' Driver (uncredited) | Reporters' Driver (uncredited) |
| FFrank MeredithMotorcycle Policeman (uncredited) | Motorcycle Policeman (uncredited) |
 Jack MowerIce Company Dispatcher (uncredited) | Ice Company Dispatcher (uncredited) |
| TTerry NibertTurnbull's Kitchen Maid (uncredited) | Turnbull's Kitchen Maid (uncredited) |
 Paul PanzerReporter (uncredited) | Reporter (uncredited) |
 Eddie ParkerMotorcycle Policeman (uncredited) | Motorcycle Policeman (uncredited) |
 Bob ReevesCop (uncredited) | Cop (uncredited) |
 John J. RichardsonReporter (uncredited) | Reporter (uncredited) |
| CCliff SaumBurt the Iceman (uncredited) | Burt the Iceman (uncredited) |
| JJoanne TreeTeen (uncredited) | Teen (uncredited) |
| JJack WiseSecond Photographer (uncredited) | Second Photographer (uncredited) |
