Cast
- Pernell Roberts as U.S. Marshal Ross
- Sue Lyon as Myra Polsen
- Julián Mateos as Frenando Nunez
- Leslie Nielsen as Mr. Brown
- María Martín as Rosa
- Leonard Bell as Hotel Clerk
- John Clark as Livery Stable Owner
- Charles Drace as Mr. Polsen
- Neil Wright as Priest
- Janis Ian as The Singer
Crew
- John Peyser · Director
- Dick Miller · Writer
- Paul Harrison · Writer
- Don Balluck · Writer
- Richard H. Landau · Producer
- Pedro Vidal · Producer
- Janis Ian · Composer
- Rafael Pacheco · Cinematographer
- Juan Serra · Editor