 Ben LyonMonte Rutledge | Monte Rutledge |
 James HallRoy Rutledge | Roy Rutledge |
 Jean HarlowHelen | Helen |
 John DarrowKarl Armstedt | Karl Armstedt |
 Lucien PrivalBaron Von Kranz | Baron Von Kranz |
 Frank ClarkeLt. von Bruen | Lt. von Bruen |
| RRoy WilsonBaldy Maloney | Baldy Maloney |
 Douglas GilmoreCapt. Redfield | Capt. Redfield |
 Jane WintonBaroness Von Kranz | Baroness Von Kranz |
 Evelyn HallLady Randolph | Lady Randolph |
 William B. DavidsonStaff Major | Staff Major |
 Wyndham StandingRFC Squadron Commander | RFC Squadron Commander |
 Lena MalenaGretchen the Waitress | Gretchen the Waitress |
 Marian MarshGirl Selling Kisses | Girl Selling Kisses |
 Carl von HaartmanZeppelin Commander | Zeppelin Commander |
 Ferdinand Schumann-HeinkFirst Officer of Zeppelin | First Officer of Zeppelin |
| SStephen CarrElliott | Elliott |
 Thomas CarrPilot | Pilot |
| JJ. Granville-DavisPilot | Pilot |
 Nora CecilHelen's Maid (uncredited) | Helen's Maid (uncredited) |
| RRene MarvelleFrench Girl (uncredited) | French Girl (uncredited) |
| GGeorgette RhodesFrench Girl (uncredited) | French Girl (uncredited) |
| HHoward BattMinor Role (uncredited) | Minor Role (uncredited) |
| GGeorge BerlinerBit Role (uncredited) | Bit Role (uncredited) |
| BBob BlairBit Role (uncredited) | Bit Role (uncredited) |
| EEddie BrownellBit Role (uncredited) | Bit Role (uncredited) |
| HHank CoffinPilot (uncredited) | Pilot (uncredited) |
| RRoss CookePilot (uncredited) | Pilot (uncredited) |
 Lawford DavidsonBritish Officer Shot by Firing Squad (uncredited) | British Officer Shot by Firing Squad (uncredited) |
| JJack DeerySplashed Officer (uncredited) | Splashed Officer (uncredited) |
