Jesse Donald Knotts (July 21, 1924 – February 24, 2006) was an American actor and comedian. He is widely known for his role as Deputy Sheriff Barney Fife on the 1960s sitcom The Andy Griffith Show, for which he earned five Emmy Awards.: 18  He also played Ralph Furley on the highly rated sitcom Three's Company from 1979 to 1984. He starred in...