Actor Ron Glass, known for being a cast member of the 1970s/80s sitcom Barney Miller and for his stint on the short-lived but much-loved science fiction series Firefly, dies at the age of 71. He had reprised the role of Book in the Firefly sequel film Serenity, as well as in the multiplayer computer game Firefly Online, in addition to continuing to make guest appearances on such TV series as CSI, Agents Of SHIELD, and Major Crimes.
