 Victor McLaglenJeems O'Shea | Jeems O'Shea |
 Edmond O'BrienJ. Quincy 'Penji' Pennant | J. Quincy 'Penji' Pennant |
 June HavocDolly Smythe | Dolly Smythe |
 Dorothy LovettSally Dean | Sally Dean |
 Eddie Foy Jr.Mr. Billy Meeker | Mr. Billy Meeker |
 Damian O'FlynnOliver Lindsay | Oliver Lindsay |
 Marten LamontChick Parker | Chick Parker |
 Roy GordonDr. Wayne | Dr. Wayne |
 Marion MartinSue, Blonde Piano Player | Sue, Blonde Piano Player |
 Mary GordonMrs. Douglas | Mrs. Douglas |
| FFrances E. NealCarol | Carol |
| JJulie WarrenBetty | Betty |
| JJane WoodworthHelen | Helen |
 George ClevelandGus the Janitor | Gus the Janitor |
 John McGuireHarvey Dodge | Harvey Dodge |
 Murray AlperJoe the Cab Driver (uncredited) | Joe the Cab Driver (uncredited) |
 Walter BaldwinJerry the Nitrate Technician (uncredited) | Jerry the Nitrate Technician (uncredited) |
 Stanley BlystoneSecurity Guard Shooting Gun (uncredited) | Security Guard Shooting Gun (uncredited) |
 Bobby BarberWaiter (uncredited) | Waiter (uncredited) |
 Selmer JacksonMr. Tuttle (uncredited) | Mr. Tuttle (uncredited) |
 Frank McLureSarcastic Test Observer (uncredited) | Sarcastic Test Observer (uncredited) |
 Frank MillsBeer Drinker at Bar (uncredited) | Beer Drinker at Bar (uncredited) |
| NNetta PackerMr. Tuttle's Secretary (uncredited) | Mr. Tuttle's Secretary (uncredited) |
 Jack PerryHenchman at Dice Table (uncredited) | Henchman at Dice Table (uncredited) |
| CCharles SchaefferCharlie the Bartender (uncredited) | Charlie the Bartender (uncredited) |
 Carl SkloverMan at Dice Table (uncredited) | Man at Dice Table (uncredited) |
| TTom SteeleTruck Driver / Henchman (uncredited) | Truck Driver / Henchman (uncredited) |
 Sammy SteinHenchman (uncredited) | Henchman (uncredited) |
| SSally WadsworthMiss Wood, Dr. Wayne's Receptionist (uncredited) | Miss Wood, Dr. Wayne's Receptionist (uncredited) |
