The movie is to premiere March 23.
"When Chupacabras attack the San Antonio region, (Drug Enforcement Administration) Agent Carlos teams with a band of outlaw gangsters to battle a horde of the blood-sucking creatures -- culminating in a final bloody confrontation at the Alamo," a synopsis said.
Julia Benson co-stars in the movie.
Estrada, 63, is best known for playing a California motorcycle cop in "CHiPS," which ran 1977-83.
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