Bobby Troup
SSgt. Gorman

Bud Cort
Pvt. Lorenzo Boone

Dawne Damon
Lt. Storch

Donald Sutherland
Capt. Benjamin Franklin «Hawkeye» Pierce

Elliott Gould
Capt. John Francis Xavier «Trapper John» McIntyre

Fred Williamson
Capt. Oliver Harmon «Spearchucker» Jones

G. Wood
Brig. Gen. Charlie Hammond

Gary Burghoff
Cpl. Walter «Radar» O’Reilly

Indus Arthur
Lt. Leslie

James B. Douglas
Col. Wallace C. Merril

Jo Ann Pflug
Lt. Maria «Dish» Schneider

John Schuck
Capt. Walter Kosciusko «Painless Pole» Waldowski

Kim Atwood
Ho-Jon

Michael Murphy
Capt. Ezekiel Bradbury «Me Lay» Marston IV

Monica Peterson
Jolie réceptionniste du W.A.C.

Rene Auberjonois
Père John Patrick «Dago Red» Mulcahy

Rick Teal
Hammond’s Aide

Robert Duvall
Maj. Frank Burns

Roger Bowen
Lt. Col. Henry Braymore Blake

Sally Kellerman
Maj. Margaret «Hot Lips» O’Houlihan

Tom Skerritt
Capt. Augustus Bedford «Duke» Forrest