Donald Sutherland
Hawkeye Pierce

Elliott Gould
Trapper John McIntyre

Tom Skerritt
Duke Forrest

Sally Kellerman
Maj. Margaret 'Hot Lips' O'Houlihan

Robert Duvall
Maj. Frank Burns

Roger Bowen
Lt. Col. Henry Blake

René Auberjonois
Father John Mulcahy

David Arkin
St. Major Wade Vollmer

Jo Ann Pflug
Lt. 'Dish' Schneider

Gary Burghoff
Cpl. 'Radar' O'Reilly

Fred Williamson
Dr. Oliver 'Spearchucker' Jones

Michael Murphy
'Me Lai' Marston

Indus Arthur
Lt. Leslie

Ken Prymus
PFC. Seidman

Bobby Troup
Sgt. Gorman

Timothy Brown
Cpl. Judson

John Schuck
Capt. 'Painless' Waldowski

Carl Gottlieb
'Ugly John'

G. Wood
Brig. Gen. Charles Hammond

Bud Cort
Pvt. Warren Boone

Danny Goldman
Capt. Murrhardt

Corey Fischer
Capt. Bandini

Sylvester Stallone
Soldier (uncredited)

Jerry Jones
Motor Pool Sergeant (uncredited)

James B. Douglas
Col. Wallace C. Merril (uncredited)

Cathleen Cordell
Capt. Peterson - Nurse Corps (uncredited)

Ben Davidson
Football Player #88 - 325th Evac. (uncredited)

John Fujioka
Japanese Golf Pro (uncredited)

Joanne Hahn
Ward Nurse (uncredited)

Buck Holland
Helicopter Pilot (uncredited)

Dale Ishimoto
Korean Doctor (uncredited)

Joe Kapp
Football Player - 325th Evac. (uncredited)

Fran Tarkenton
Football Player - 325th Evac. (uncredited)

Johnny Unitas
Football Player - 325th Evac. (uncredited)

Ted Knight
Offstage Dialog (voice) (uncredited)