Ron Glass

Ronald Earle Glass (July 10, 1945 Evansville, Indiana, USA – November 25, 2016 Los Angeles, California, USA) was an American actor. He was best known for his roles as literary Det. Ron Harris in the television sitcom Barney Miller (1975–1982), and as the spiritual Shepherd Derrial Book in the science-fiction series Firefly (2002) and its sequel film Serenity (2005).