Donald Sutherland

as Hawkeye Pierce

Elliott Gould

as Trapper John McIntyre

Tom Skerritt

as Duke Forrest

Sally Kellerman

as Maj. Margaret 'Hot Lips' O'Houlihan

Robert Duvall

as Maj. Frank Burns

Roger Bowen

as Lt. Col. Henry Blake

René Auberjonois

as Father John Mulcahy

David Arkin

as St. Major Wade Vollmer