Career after MASH?

From Wikipedia:

Later career

Burghoff appeared regularly on TV, making appearances on such game shows as Match Game, Tattletales, Liar's Club, Hollywood Squares, and Showoffs. He also appeared in the film B.S. I Love You, as well as one episode each of The Love Boat and Ellery Queen. His M*A*S*H character Radar O'Reilly appeared on two episodes in the first season of AfterMASH. It was then spun off into W*A*L*T*E*R which aired only once in the Eastern and Central time zones only.

In the 1980s, Burghoff was the TV spokesman for BP gasoline and IBM computers. In 2000, Burghoff was a spokesman for dot-com era auction aggregation site PriceRadar.com.[11]

Burghoff is a self-taught amateur wildlife painter who also qualified to handle injured wildlife in California.[12]

He worked as a professional jazz drummer, heading the trio The We Three. In the M*A*S*H episode "Showtime", Radar is seen playing a solo on the drums; he was actually performing, and the music was not overdubbed.[13] He can also be seen playing drums in the M*A*S*H episode "Bulletin Board" in the picnic scene.[14]

Burghoff is the inventor (U.S. Patent 5,117,577, U.S. Patent 5,235,774) of "Chum Magic", a fishing tackle invention that attracts fish toward the user's boat.[15][16] Other Burghoff inventions include a toilet seat lifting handle (U.S. Patent D314322) and a new type of fishing pole.[17]

Burghoff is a philatelist.[18] He was asked in 1993 to help select a postal stamp for United States hunters.[12]

Burghoff came out of retirement in 2010 to star in the film Daniel's Lot.[19]