After graduating from college he enlisted in the United States Air Force and was stationed at Ramey AFB in Puerto Rico. After his discharge, he taught for a year at Hazel Green High School in Hazel Green, Alabama, while waiting to be accepted by the American Theater Wing in New York City in 1956. After graduating from the Wing and performing in two Broadway plays, "Wonderful Town" and "All American", he moved to Los Angeles in 1962. He got parts in TV series of the day including Gunsmoke, The Rifleman, The Real McCoys, The Twilight Zone, Daniel Boone, Voyage to the Bottom of the Sea and three episodes of The Alfred Hitchcock Hour, before he got the role he would become famous for as "Goober" on The Andy Griffith Show.