Gregory Sierra (born January 25, 1941) is an American actor known for his roles as Detective Sergeant Chano Amenguale on Barney Miller and as Julio Fuentes, the Puerto Rican neighbor of Fred G. Sanford on Sanford and Son (portrayed by Redd Foxx).
The Flying Nun - (1967-70). Starring: Sally Field, Madeleine Sherwood, Marge Redmond, Shelley Morrison, Alejandro Rey, Linda Dangcil, Vito Scotti, Gregory Sierra and Elinor Donahue. Partial Guest List: John Hoyt, Farrah Fawcett, Pat Herrington, Jr., Paul Petersen, Bernie Kopell, Paul Lynde, J. Pat O'Malley, John Astin, Harold Gould, Rich Little, Jamie Farr, Gavin MacLeod, Alan Hale, Dwayne Hickman, Charles Lane, Dick Wilson, Victor Buono, Dabney Coleman and Ruta Lee.
Barney Miller (January 23, 1975 to May 20, 1982, ABC) — (left to right): Max Gail (Det. Stanley "Wojo" Wojciehowicz), Hal Linden (Captain Barney Miller), Ron Glass (Sgt. Ron Harris), Abe Vigoda (Sgt. Philip Fish), Gregory Sierra (Sgt. Miguel Amangua), & Jack Soo (Sgt. Nick Yemanao)