Trivia

The film is literally peppered with quotes from and references to many classic action movies. These include:

• Harry el sucio (1971) ("Do you feel lucky? Well, do ya, punk?")
• Cobra (1986) ("You're the disease, I'm the cure.")
• Los intocables (1987) ("Never bring a knife to a gun fight")
• Apocalipsis (1979) ("Terminate with extreme prejudice", "The horror!")
• Nido de ratas (1954) ("I could have been a contender!")
• Tiburón (1975) ("Smile, you son of a bitch!")
• La leyenda del indomable (1967) ("What we have here is a failure to communicate.")
• Naranja mecánica (1971) ("Yarbles!")
• Corazón satánico (1987) ("Johnny Favorite")
• The Pope of Greenwich Village (1984) ("Nothing hurts as much as you think it will.")

Other films referenced in the dialogue include La pantera rosa ataca de nuevo (1976), El conflicto de dos almas (1939), Hamburger Hill (1987), Driver, el conductor (1978), Oestelandia (1973), Depredador (1987) and many others.

John Savage showed up on days that he wasn't working to watch this film as it was being shot.

Piper Curda was cast a week before shooting began.

This movie was initially going to be filmed in White Sands, New Mexico.

George Fuller was written as a much harder character in the script.