Three's Company - Don Knotts joined the cast as Mr. Furley (Ralph) during Season 4 (1979-80) as the new building manager replacing Mr. and Mrs. Roper who had sold the building the Ralph's brother "Bart".
Jesse Donald "Don" Knotts (July 21, 1924 – February 24, 2006) comedic actor best known for his portrayal of Barney Fife on the 1960s TV sitcom "The Andy Griffith Show", a role which earned him 5 Emmy Awards.
don knotts | actor - [Andy Griffith show] joined the U.S. Army at age 19 and went on active duty on June 21, 1943. He served for the duration of World War II and was discharged on January 6, 1946 with the rank of Technician Grade 5, which was the equivalent of a Corporal. He was awarded the WWII Victory Medal, Philippine Liberation Medal, Asiatic-Pacific Campaign Medal (with 4 bronze service stars), Army Good Conduct Medal, Marksman Badge (with Carbine Bar) and Honorable Service Lapel Pin.