
1937Born, New York City
80Credits
Gregory Sierra (January 25, 1937 – January 4, 2021) was a distinguished American actor, celebrated for his versatility and powerful presence on both television and film. Born on January 25, 1937, in New York City's Spanish Harlem, Sierra was of Puerto Rican descent and faced a challenging upbringing after being abandoned by his parents and raised by an aunt. Despite his early hardships, he found a path to acting after impressing at an impromptu audition for an acting school in Manhattan. Sierra's career began on stage, notably with the National Shakespeare Company and performances at the New York Shakespeare Festival. He transitioned to television in the late 1960s and quickly became a…
Known for
The X-FilesDr. Diamond
The Fresh Prince of Bel-AirHector
PapillonAntonio
Hot Shots! Part DeuxThe Captain
VampiresFather Giovanni1996Common LawLuis Alvarez · 10 episodesShow
1994704 Hauser1 episodeShow
1994EllenGeneral Colon · 1 episodeShow
1993The X-FilesDr. Diamond · 1 episodeShow
1993TheaMr. Guiterrez · 1 episodeShow
1993Walker, Texas RangerRafael Mendoza · 2 episodesShow
1993Star Trek: Deep Space NineEntek · 1 episodeShow
1993Dr. Quinn, Medicine WomanGen. Eli Parker · 2 episodesShow
1992The Golden PalaceRubin · 1 episodeShow
1991FBI: The Untold StoriesJimmy Chagra · 1 episodeShow
1991P.S. I Luv U1 episodeShow
1990Shades of L.A.1 episodeShow
1990The Fresh Prince of Bel-AirHector · 1 episodeShow
1988Something Is Out ThereVictor Maldonado · 8 episodesShow
1988Something Is Out ThereVictor Maldonado · 2 episodesShow
1986Blacke's Magic1 episodeShow
1985MacGyverColonel Antunnez, General Antonio Vasquez, Captain Diaz · 1 episodeShow
1985Growing PainsDr. Paul Ramirez · 1 episodeShow
1985The Ray Bradbury Theater1 episodeShow
1984Murder, She WroteSanchez, Ramon, Moreno, Lieutenant Gabriel Caceras · 3 episodesShow
1984Cover Up1 episodeShow
1984HunterMichael Elandro · 1 episodeShow
1984Miami ViceLt. Lou Rodriguez · 4 episodesShow
1984Blue ThunderLuis Creighton Acuna · 1 episodeShow
1983MasqueradeOmani · 1 episodeShow
1983The Gambler: The Adventure ContinuesSilvera · 2 episodesShow
1983Zorro and SonCommandante Paco Pic · 5 episodesShow
1982Cagney & LaceyEddie 'Cleanhead' Stutz · 2 episodesShow
1982Cassie & Co.1 episodeShow
1981Falcon CrestFBI-Agent Taylor · 1 episodeShow
1981Simon & SimonGregory Cable, Raul Gutierrez · 1 episodeShow
1981The Greatest American HeroSheriff Mark Vargas · 1 episodeShow
1981Hill Street BluesADA Alvarez, ADA Alvarez (archive footage) (uncredited) · 4 episodesShow
1980Magnum, P.I.Miguel Torres · 1 episodeShow
1979Hart to HartEduardo, Howard Castle · 1 episodeShow
1978Evening in ByzantiumFabricio · 2 episodesShow
1978A.E.S. Hudson Street6 episodesShow
1977Lou GrantHector · 1 episodeShow
1977Hunter2 episodesShow
1976Quincy, M.E.Rick Durado · 1 episodeShow
1975Barney MillerMiguel Amenguale · 35 episodesShow
1974PetrocelliRudolph Chavez · 1 episodeShow
1973Police Story2 episodesShow
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