Reparto y equipo
-
John WayneCol. Cord McNally - Jorge RiveroCapt. Pierre Cordona aka Frenchy
- Jennifer O'NeillShasta Delaney
- Jack ElamPhillips
- Victor FrenchKetcham
- Susana DosamantesMaria Carmen
- Christopher MitchumSgt. Tuscarora Phillips
- Mike HenrySheriff "Blue" Tom Hendricks
- David HuddlestonDr. Ivor Jones
- Bill WilliamsBlackthorne Sheriff Pat Cronin
- Edward FaulknerLt. Harris
- Sherry LansingAmelita
- Dean SmithBide
- Robert DonnerWhitey Carter
- Jim DavisRio Lobo deputy
- Peter JasonLt. Forsythe
- Robert RothwellGunman No. 3
- George PlimptonGunman No. 4
- Bob SteeleRio Lobo deputy
- Boyd MorganTrain engineer
- Hank WordenHank
- Howard HawksDirección
- Howard HawksProducción
- Leigh BrackettEscritor
- Burton WohlEscritor