Leslie Nielsen guest-starred as Col. Buzz Brighton in the episode "The Ringbanger". Because of his high casualty record, Hawkeye and Trapper try to get him sent back to America by convincing him that he is insane. -from Wikipedia
Alan Alda played Hawkeye from the mash series. He also directed some of the later episodes.
Donald Sutherland played Benjamin "Hawkeye" Pierce in the Movie "MASH" Alan Alda played Hawkeye in the TV series.
Harry Morgan
Catherine Bergstrom.
Jamie Farr played corporal Max Klinger
William Christopher played Father Mulcahy in MASH.
Alan Alda played Hawkeye from the mash series. He also directed some of the later episodes.
Radar played drums on one episode of MASH.
Donald Sutherland played Benjamin "Hawkeye" Pierce in the Movie "MASH" Alan Alda played Hawkeye in the TV series.
Jamie Farr.
Harry Morgan played a lawyer named Colonel Sherman T. Potter in the TV series MASH.
Geoff Haggerty has: Played himself in "Hardly Working" in 2007. Played Paperboy in "Big Morning Buzz Live" in 2011. Played Himself - Kitty-oke Meow-chine Choir in "Big Morning Buzz Live" in 2011. Played Magic Leprechaun in "Big Morning Buzz Live" in 2011. Played himself in "Big Morning Buzz Live" in 2011. Played Himself - Com-Pun-Tition Contestant in "Big Morning Buzz Live" in 2011. Played Buzz Court Jester in "Big Morning Buzz Live" in 2011. Played Magic Leprechaun in "Big Evening Buzz" in 2012. Played Kevint in "The Lineup" in 2013. Played USAdude1981 in "For-Profit Online University" in 2013.
John Schuck was the actor who plays "Painless Pole" Waldowski in the 1970 movie MASH.
Harry Morgan
Catherine Bergstrom.
Sally Kellerman.
Jamie Farr played corporal Max Klinger