McLean Stevenson began in show business at age 31. During the 1960s, he worked in night clubs and comedy cabarets, did summer stock theater and some television before moving to Hollywood, where he worked as a comedy writer for Tom Smothers. He eventually began acting in sketches. Mr. Stevenson is best known as the fumbling commanding officer, Lt. Colonel Henry Blake, on the CBS television series, M*A*S*H (1972). Over a period of thirty years, he also appeared on a number of television series and was a regular guest star on Johnny Carson's The Tonight Show Starring Johnny Carson (1962) and the game show, The Hollywood Squares (1965).

Filmography

• 2002M*A*S*H: 30th Anniversary Reunion — Archive footage
• Tales of the City — Booter Manigault
• 1989Class Cruise — Miles Gimrich
• Dirty Dancing
• Mathnet — Mike Pliers
• 1986Davy Crockett — Andrew Jackson
• Tall Tales & Legends — Andrew Jackson
• The Golden Girls — Ted
• Condo — James Kirkridge
• American Playhouse — Booter Manigault
• Hotel — Harry Gilford
• Hello, Larry — Larry Adler
• Diff'rent Strokes
• In the Beginning — Father Cleary
• 1978The Cat from Outer Space — Link
• The Love Boat — Bob Crawford, Captain Donahue, Michael Borden, Story
• The McLean Stevenson Show
• The Sonny and Cher Show
• 1975Win, Place or Steal — Mr. Hammond
• 1973Shirts/Skins — Dr. Benny Summers
• M*A*S*H — Henry Blake, Writer
• 1971Mr. and Mrs. Bo Jo Jones — Minister
• 1971The Christian Licorice Store — Smallwood
• Love, American Style — Lt. Miller
• The Bold Ones: The New Doctors — George Caldwell
• The Doris Day Show — Michael Nicholson
• That Girl

Appearances as themselves (6)

• 1991Memories of M*A*S*H — Self / Henry Blake
• Donny & Marie — Self
• Cher — Self
• Dinah! — Self
• The Merv Griffin Show — Self
• The Tonight Show Starring Johnny Carson — Self, Self - Guest Host