 Ralph BellamyJohn Baxter | John Baxter |
 Fay WrayEleanor Dunlap | Eleanor Dunlap |
 Regis ToomeyTed Hall | Ted Hall |
 Walter KingsfordDr. L.B. Carter | Dr. L.B. Carter |
 Ann DoranMadelon Martin | Madelon Martin |
 Warren HullPhil Dunlap | Phil Dunlap |
 Forbes MurrayColonel Scully | Colonel Scully |
 John TyrrellJohnson | Johnson |
| PPaul WhitneyMason | Mason |
 May WallaceMrs. Baxter | Mrs. Baxter |
 Lorna GrayNurse Anna Loring | Nurse Anna Loring |
 Dick CurtisWilliams (uncredited) | Williams (uncredited) |
 Bess FlowersMrs. Austin (uncredited) | Mrs. Austin (uncredited) |
 Byron FoulgerSchuster aka Quirk (uncredited) | Schuster aka Quirk (uncredited) |
 Bob WalkerWorkman (uncredited) | Workman (uncredited) |
 George TurnerSpy Henchman | Spy Henchman |
| RRose AllenMadelon's Maid (uncredited) | Madelon's Maid (uncredited) |
 Sam AshDoctor (uncredited) | Doctor (uncredited) |
 Trevor BardetteJordan (uncredited) | Jordan (uncredited) |
| MMike BlairRadio Commentator (uncredited) | Radio Commentator (uncredited) |
 Don BrodieCasey (uncredited) | Casey (uncredited) |
| RRalph BrooksOperator (uncredited) | Operator (uncredited) |
 Stanley BrownVendor (uncredited) | Vendor (uncredited) |
 Morgan ConwayProfessor Leonard (uncredited) | Professor Leonard (uncredited) |
| BBeatrice CurtisAnna (uncredited) | Anna (uncredited) |
 Jack EganReporter (uncredited) | Reporter (uncredited) |
 Eddie FetherstonCigar Store Proprietor (uncredited) | Cigar Store Proprietor (uncredited) |
 Robert FiskeLieutenant General (uncredited) | Lieutenant General (uncredited) |
 Bud GearyTaxi Driver (uncredited) | Taxi Driver (uncredited) |
 Chuck HamiltonFireman (uncredited) | Fireman (uncredited) |
