Name: Hawkeye Pierce Played by: Alan Alda (1972-83) Occupation: Chief surgeon	Name: Trapper John McIntyre Played by: Wayne Rogers (1972-75) Occupation: Surgeon
Name: B.J. Hunnicutt Played by: Mike Farrell (1975-83) Occupation: Surgeon	Name: Henry Blake Played by: McLean Stevenson (1972-75) Occupation: Commander & surgeon
Name: Col. Sherman Potter Played by: Harry Morgan (1975-83) Occupation: Commander & surgeon	Name: Margaret Houlihan Played by: Loretta Swit (1972-83) Occupation: Head nurse
Name: Maj. Frank Burns Played by: Larry Linville (1972-77) Occupation: Surgeon	Name: Maj. Charles Emerson Winchester Played by: David Ogden Stiers (1977-83) Occupation: Surgeon
Name: Radar O'Reilly Played by: Gary Burghoff (1972-79) Occupation: Company clerk	Name: Max Klinger Played by: Jamie Farr (1972-83) Occupation: Male nurse & company clerk
Name: Father Mulcahy Played by: William Christopher (1972-83) Occupation: Chaplain

Explanation: a "-" means, that this character does not exist, whereas a blank space means, that the character was not mentioned in the series.