Sierra died Jan. 4 in Laguna Woods, California, from cancer, according to a family spokesman. His death just became public today.
Born in New York’s Spanish Harlem, Sierra worked with the National Shakespeare Company and in the New York Shakespeare Festival. He also appeared in off-Broadway plays and was a standby on Broadway for The Ninety Day Mistress in 1967.
Moving to Los Angeles, Sierra had guest appearances on such shows as It Takes a Thief, Medical Center, The High Chaparral, Mod Squad, The Flying Nun and Kung Fu.
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In films he was also a supporting actor in Beneath the Planet of the Apes (1970), Getting Straight (1970), Papillon (1973), The Towering Inferno (1974) and the Orson Welles project The Other Side of the Wind.