Jesse Donald Knotts was an American actor and comedian. He is widely known for his role as Deputy Sheriff Barney Fife on The Andy Griffith Show, a 1960s sitcom for which he earned five Emmy Awards. He also played Ralph Furley on the highly rated sitcom Three's Company from 1979 to 1984. He starred in multiple comedic films, including the leading role in The Ghost and Mr. Chicken and The Incredible Mr. Limpet. In 1979, TV Guide ranked him number 27 on its 50 Greatest TV Stars of All Time list.