Gregory Sierra
45 credits
- The Other Side of the Wind
2018 Jack Simon
- Vampires
1998 Father Giovanni
- Jane Austen's Mafia!
1998 Bonifacio
- The Wonderful Ice Cream Suit
1998 Villanazul
- Johnny 316
1998 Kareem
- A Low Down Dirty Shame
1994 Captain Nunez
- Hot Shots! Part Deux
1993 The Captain
- Deep Cover
1992 Felix Barbosa
- Honey, I Blew Up the Kid
1992 Terence Wheeler
- Donor
1990 Hector Aliosa
- Unspeakable Acts
1990 Frank Fuster
- Desperado: Badlands Justice
1989 Jesus Gutierrez
- Where the Hell's That Gold?!!?
1988 General
- The Trouble with Spies
1987 Capt. Sanchez
- Her Secret Life
1987 Vic 'The Dancer' Pena
- Let's Get Harry
1986 Alphonso
- Command 5
1985 Delgado
- Stingray
1985 Anthony 'Tony' Mendosa
- Miami Vice: Brother's Keeper
1984 Lt. Lou Rodriguez
- The Gambler: The Adventure Continues
1983 Silvera
- Uncommon Valor
1983 George Callender
- Farrell: For the People
1982 Det. Mike Rodriguez
- 300 Miles for Stephanie
1981 Dr. Galfas
- The Night the Bridge Fell Down
1980 Diego Ramirez
- The Prisoner of Zenda
1979 Count Montparnasse
- Mean Dog Blues
1978 Jesus Gonzalez
- The Night They Took Miss Beautiful
1977 Omar Welk
- Antonio and the Mayor
1975 Mayor Acambarros
- Goodnight Jackie
1974 Paul
- The Towering Inferno
1974 Carlos
- The Castaway Cowboy
1974 Marruja
- Honky Tonk
1974 Slade
- Papillon
1973 Antonio
- The Clones
1973 Nemo
- The Thief Who Came to Dinner
1973 Dynamite Hector
- The Laughing Policeman
1973 Vickery
- The Wrath of God
1972 Jurado
- The Culpepper Cattle Co.
1972 One-Eyed Horsethief
- Pocket Money
1972 Chavarin (as Gregg Sierra)
- Machismo: 40 Graves for 40 Guns
1971 Lopez
- Red Sky at Morning
1971 Chamaco
- Beneath the Planet of the Apes
1970 Verger
- Getting Straight
1970 Garcia
- Weekend of Terror
1970 Police Sergeant
