 Dennis MooreCapt. Steve Clark | Capt. Steve Clark |
 Wanda McKayCathy Haines | Cathy Haines |
 Lionel AtwillErich von Rugen, alias Alex Morel | Erich von Rugen, alias Alex Morel |
 Joe SawyerIdaho Jones | Idaho Jones |
 Regis ToomeyCapt. Clay Randolph [Chs. 1-6] | Capt. Clay Randolph [Chs. 1-6] |
 Virginia ChristineCountess Elsa von Merck, alias Trina Dressard | Countess Elsa von Merck, alias Trina Dressard |
 Eddy WallerDoc Blair (as Eddy C. Waller) | Doc Blair (as Eddy C. Waller) |
 Emmett VoganCount Manfried von Rinkton, alias Carl Lawton [Chs. 6-7] | Count Manfried von Rinkton, alias Carl Lawton [Chs. 6-7] |
 Addison RichardsColonel Sewell | Colonel Sewell |
 Charles WagenheimHugo Metzger, alias Abel Rackerby [Chs. 8-9] | Hugo Metzger, alias Abel Rackerby [Chs. 8-9] |
 Jack IngramBraddock - Confederate Outlaw | Braddock - Confederate Outlaw |
 Edmund CobbHenchman Rawhide | Henchman Rawhide |
 Jack RockwellBart - Raider | Bart - Raider |
 Ernie AdamsHans Plattner, alias Bill Jasper | Hans Plattner, alias Bill Jasper |
 George EldredgeHenry / Hank, Saloon Owner | Henry / Hank, Saloon Owner |
 Gene GarrickLieutenant Jim Clark aka Jeff Logan | Lieutenant Jim Clark aka Jeff Logan |
 Richard AlexanderHenchman (uncredited) | Henchman (uncredited) |
 Martin AsheJohnny (uncredited) | Johnny (uncredited) |
 Robert BarronRaider (uncredited) | Raider (uncredited) |
 Lee BennettSentry (uncredited) | Sentry (uncredited) |
 Ray BennettTrooper (uncredited) | Trooper (uncredited) |
 Freddie SteeleDep. Abbott (uncredited) | Dep. Abbott (uncredited) |
