Elliott Gould
Trapper John
Robert Duvall
Maj. Frank Burns
Tom Skerritt
Duke Forrest
Michael Murphy
Me Lai Marston
Bud Cort
Warren Boone
G. Wood
Brig. Gen. Charles Hammond
Carl Gottlieb
Ugly John
Sally Kellerman
Maj. Margaret 'Hot Lips' O'Houlihan
Roger Bowen
Lt. Col. Henry Blake
René Auberjonois
Father Mulcahy
David Arkin
Wade Vollmer
Jo Ann Pflug
Lt. 'Dish' Schneider
Gary Burghoff
Cpl. 'Radar' O'Reilly
Fred Williamson
Spearchucker Jones
Sylvester Stallone
Soldier (uncredited)
John Schuck
Captain Waldowski
Timothy Brown
Caplain Judson
Corey Fischer
Captain Bandini
Donald Sutherland
Hawkeye Pierce
Danny Goldman
Captain Murrhardt
Cathleen Cordell
Capt. Peterson
Jerry Jones
Motor Pool Sergeant
Bobby Troup
Sgt. Gorman
James B. Douglas
Col. Wallace C. Merril
Indus Arthur
Lieutenant Leslie
Ken Prymus
PFC. Seidman