 William GarganPerry Travis | Perry Travis |
 Marguerite ChurchillLois Allen | Lois Allen |
 Gene MorganBrainy | Brainy |
 John GallaudetBilly Howard (Uncredited) | Billy Howard (Uncredited) |
 Romaine CallenderE.J. Easton | E.J. Easton |
 Egon BrecherSir Conrad Stava | Sir Conrad Stava |
 Drue LeytonMrs. Foster | Mrs. Foster |
 Wade BotelerConroy | Conroy |
 Dwight FryeMcBride | McBride |
| RRaymond LawrenceHarkness | Harkness |
 Stanley AndrewsEarl Quillan (Uncredited) | Earl Quillan (Uncredited) |
 Don BrodieTaxi Driver (Uncredited) | Taxi Driver (Uncredited) |
| FFrank BullRadio Announcer (Uncredited) | Radio Announcer (Uncredited) |
 Ralph ByrdCop (Uncredited) | Cop (Uncredited) |
 Harry DeppJulius Scott (Uncredited) | Julius Scott (Uncredited) |
 Robert FiskeAviator (Uncredited) | Aviator (Uncredited) |
 Harry HarveyBennett (Uncredited) | Bennett (Uncredited) |
| JJack HatfieldReporter (Uncredited) | Reporter (Uncredited) |
 Eddie KaneVenuti (Uncredited) | Venuti (Uncredited) |
 Edward McWadeWalter Emerson (Uncredited) | Walter Emerson (Uncredited) |
| TTed OliverCop (Uncredited) | Cop (Uncredited) |
 Edward Peil Sr.Peters (Uncredited) | Peters (Uncredited) |
| LLee PratherCustoms Officer (Uncredited) | Customs Officer (Uncredited) |
| FFrancis SaylesWaiter (Uncredited) | Waiter (Uncredited) |
 Albert J. SmithMike (Uncredited) | Mike (Uncredited) |
 George WebbCoroner (Uncredited) | Coroner (Uncredited) |
 Norman WillisJoel Balerino (Uncredited) | Joel Balerino (Uncredited) |
 William WorthingtonJohn J. Foster (Uncredited) | John J. Foster (Uncredited) |
