Gregory Sierra

Gregory Sierra was the American actor who played Entek in the third season episode . He was born in New York City, New York.
== Television ==
=== Regular and recurring roles ===
Sierra was a main cast member on during the show's first two seasons (1975-1976), on which he portrayed Detective Sergeant Chano Amenguale. Ron Glass was also a regular on this series, and James Gregory made frequent recurring appearances.
Sierra was also known for his recurring roles on (as Puerto Rican neighbor Julio Fuentes) and (as anti-Communist revolutionary Carlos "El Puerco" Valdez). On the latter series, he worked with such performers as Hamilton Camp, Robert Costanzo, and Eugene Roche.
In addition, Sierra was the series lead on (1978). His co-stars on this series included fellow Star Trek alumni Rosana DeSoto, Stefan Gierasch, and Allan Miller. 
In 1983, Sierra worked opposite guest actor Henry Darrow on CBS' . Sierra and Darrow previously worked together when Sierra made an appearance on , on which Darrow was a regular. 
Also in 1983, Sierra had a four-episode arc as Assistant District Attorney Alvarez on . Barbara Bosson and James B. Sikking were regulars on this series.
Sierra was a regular on when the show began in 1984. He portrayed Lt. Lou Rodriguez, Detective Sonny Crockett's superior. After only four episodes, however, Sierra asked to be written out of the series. Among the performers he worked with during his short time on this series were Ron Taylor and Bill Smitrovich.
In 1988, Sierra was a regular on NBC's . His final series was the sitcom Common Law, which ran briefly in 1996.
===Other television credits ===
Sierra appeared in three episodes of Mission: Impossible: two with Leonard Nimoy in 1970 and one with William Shatner in 1972. Sierra also guest-starred as a Jewish radical on an episode of in 1973, along with John Putch.
In 1973, Vincent McEveety directed Sierra in a two-part episode of the western series Gunsmoke. Sierra made a return to the series in 1975, under the direction of McEveety's brother, Bernard, and working with John Colicos.
Before they worked together on Barney Miller, Sierra and Voyager guest actor Ron Glass were guest stars on a 1973 episode of . The following year, Sierra guest-starred on NBC's (starring Ken Lynch, in an episode with Terri Garr, Michael Pataki, and Eugene Roche) and Petrocelli (starring Susan Howard).
Between 1985 and 1995, Sierra guest-starred on six episodes of Murder, She Wrote, three of which had him playing Police Lieutenant Gabriel Caceras. Among the actors he worked with on this series were Ed Bakey, Kim Darby, Cliff DeYoung, Jerry Hardin, Gregg Henry, Richard Herd, Sally Kellerman, Richard Libertini, Laurence Luckinbill, and Dan Shor.
Sierra guest-starred in two episodes of Cagney & Lacey, one with Janet MacLachlan and another with Brock Peters. He was also seen in three episodes of , including one with Bruce McGill in 1986. 
He later appeared on such sitcoms as Growing Pains (with Kenneth Tigar), The Fresh Prince of Bel-Air (starring James Avery), and (with Dan Gauthier), as well as two back-to-back episodes of Dr. Quinn, Medicine Woman in 1994 (working with Chad Allen, J.G. Hertzler, and Leland Orser). In addition, he played Dr. Diamond in the fourth episode of , entitled "The Jersey Devil".
Sierra also had several made-for-TV movies to his credit. Among the most notable are: the 1974 Columbo segment Publish or Perish (directed by Robert Butler and co-starring Mariette Hartley); Kenny Rogers as The Gambler: The Adventure Continues (1983; with Mitch Ryan); Her Secret Life (1987; with James Sloyan and Cliff DeYoung); Desperado: Badlands Justice (1989; with John Rhys-Davies, James B. Sikking, and Robert O'Reilly); and Unspeakable Acts (1990; with Mark Harelik, Bebe Neuwirth, and Paul Eiding).
== Films==
Sierra's first two films opened in the United States in May 1970. The first was , in which he played the role of Garcia. This was followed by his role as Verger in (1970, featured Jon Lormer and John Rubinstein, while James Gregory had a supporting role in the latter. Jeff Corey appeared in both films.
Next, Sierra worked with John Colicos and Nehemiah Persoff in . Sierra and Colicos again worked together in (1972, starring Frank Langella).
Sierra had a supporting role in the 1971 western film Machismo: 40 Graves for 40 Guns, along with Stanley Adams and Lilyan Chauvin. Following roles in such films as Pocket Money (1972) and The Thief Who Came to Dinner (1973), Sierra also appeared in (1973, featuring Bill Mumy, William Smithers, Ron Soble, Victor Tayback, and Anthony Zerbe in supporting roles. That same year, Sierra appeared in another film with Anthony Zerbe, The Laughing Policeman. Joanna Cassidy also had a role in this film.
Sierra played Carlos the bartender in (1974). He was also directed by Vincent McEveety in 1974's The Castaway Cowboy. His subsequent film credits included Mean Dog Blues (1978; with Marc Alaimo, Gregg Henry, and William Windom) and (1979, with Ian Abercrombie and Jeremy Kemp).
Sierra also appeared in (1993, with Miguel Ferrer and Mitch Ryan) and (1998). Both of these films featured Andreas Katsulas. 
In (1998), Sierra portrayed Father Giovanni, a priest who assisted the film's main character, Jack Crow, in destroying vampires before being killed himself. This film also featured Cary-Hiroyuki as another member of Crow's team. Sierra's other film credits during the 1990s include Deep Cover (1992; with Clarence Williams III), (1992, with Ron Canada and Kenneth Tobey), A Low Down Dirty Shame (1994; with Salli Elise Richardson), and The Wonderful Ice Cream Suit (1998; with Clifton Collins, Jr.). 
Sierra's last film credit was a short called Vic, which also featured Richard Herd. Although it was released in 2006, the film was actually shot in 1998 or 1999. 
==External links==
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