Colonel Sam Flagg
Played by: Edward Winter
Although he only appeared in 6 episodes, Col. Flagg is one of the most popular characters in the show. Edward Winter sadly died on March 8th 2001
Major Sidney Theodore Freedman
Played by: Allan Arbus
The psychiatrist Sidney Freedman first appeared in season 2 and featured in 11 episodes altogether.
Igor Straminsky
Played by: Jeff Maxwell
Season 2 to Season 11
Interview with Jeff Maxwell
Ugly John
Played by: John Orchard
Ugly John was the Australian gas passer (anesthetist) in season 1. John Orchard later appeared as M.P. Muldoon.
Soon-Lee Hahn
Played by: Rosalind Chao
Soon-Lee appeared in the last few episodes of the final season. In the final episode she married Klinger. Rosalind Chao is now better known as Kieko O'Brien in Star Trek: Deep Space Nine.
Sgt. Zelmo Zale
Played by: Johnny Haymer
Season 3 - Season 8
Captain Sam Pak
Played by: Pat Morita
'Deal Me Out', 'The Chosen People'
Sergeant Luther Rizzo
Played by: G.W. Bailey
Season 8 - Season 11
Ho-Jon
Played by: Patrick Adiarte
Season 1
Ho-Jon was the Korean houseboy
Captain Calvin Spalding
Played by: Loudon Wainwright III
Capt. Spalding appeared in 3 episodes in the 3rd season.
Loudon Wainwright is a singer/songwriter and sang a number of his own songs in the shows.
SpearchuckerOliver Harmon 'Spearchucker' Jones
Played by: Timothy Brown
Appeared in the first few episodes of season 1
Disappeared from the show when the writers discovered that there were no black surgeons during the Korean Conflict.
Scully
Played by: Joshua Bryant
Season 7 - Season 8

Nurse Bigelow
Played by: Enid Kent
Season 5 - Season 11
Margie Cuttler
Played by: Marcia Strassman
Appeared in 4 episodes of Season 1
Nurse Kellye
Played by: Kellye Nakahara
Interview with Kellye

Played by: Mary Jo Catlett
Season 4 - Season 5
Ginger Bayliss
Played by: Odessa Cleveland
Season 1 - Season 3
Lt Maggie Dish
Played by: Karen Phillip
Appeared in 2 episodes of Season 1
Nancy Griffin
Played by: Lynnette Mettey
Season 1 - Season 4