He also played in a number of B-movies and Westerns early on in his career, including the Creature from the Black Lagoon (1954), The Young Guns (1956) and The Lone Ranger.

[3] Although he was part of the supporting cast in Mister Roberts, his role was prominent – he played opposite Henry Fonda and James Cagney, who were both established stars at the time.

[2] Also right before this time he starred opposite Charles Bronson playing drug gang leader Ed Zacharias in 1987's Death Wish 4: The Crackdown.

Lopez also appeared in an episode of Bonanza as the cold-blooded outlaw Duke Miller, who kills a man over being first in line to get a haircut.

(1963) as Davey Elk; in Juan Moreno's Body[4] as a migrant Mexican fruit picker accused of murdering the son of the owner of the orchard; and in Kelly's Heroes (1970) as Private Petuko.