Crew or equipment visible: During the panorama of the desert mountain range, film crew's cars can be seen parked in single file on the road.
Crew or equipment visible: When the heroes trick the guards of El Diablo's hideout into taking a group picture, the last guard that dies is shot with two arrows, and the second arrow has a guiding wire that is clearly visible.
Continuity: When Pitchfork Napier is taunting Billy Ray in the desert, the inkwell is full/empty between shots when Billy Ray passes out after watching Dancing Bear scalp Napier.