연합군과 독일 나치스군 사이에 치열한 접전이 벌어지고 있을 때 미 육군 당국은 군형무소에서 사형 집행을 기다리고 있는 12명의 흉악범을 석방하고, 이들에게 독일 나찌에 대항하는 위험한 임무를 수행할 수 있는 고도의 살인 훈련을 시킨다. 살인특공대의 대장은 리 마빈. 임무를 완수하면 석방될 수도 있는 작전에 12명의 성난 사형수는 목숨을 걸고 나찌스군과 처절한 전투를 벌인다.
Lee Marvin
Maj. John Reisman
Ernest Borgnine
Maj. Gen. Worden
Charles Bronson
Joseph Wladislaw
Jim Brown
Robert Jefferson
John Cassavetes
Victor Franko
Richard Jaeckel
Sergeant Bowren
George Kennedy
Major Max Armbruster
Trini López
Pedro Jiminez
Ralph Meeker
Captain Stuart Kinder
Robert Ryan
Col. Everett Dasher Breed
Telly Savalas
Archer Maggott
Donald Sutherland
Vernon Pinkley
Clint Walker
Samson Posey
Robert Webber
General Denton
Tom Busby
Milo Vladek
Ben Carruthers
Glenn Gilpin
Robert Phillips
Cpl. Morgan - MP Guard
Colin Maitland
Seth Sawyer
Al Mancini
Tassos Bravos
Dora Reisser
German Officer's Girl
Alan Chuntz
French Servant (uncredited)
Gary Files
Ambulance Driver (uncredited)
Judith Furse
Drunken General's Wife (uncredited)
Hal Galili
MP Master Sergeant / Hangman (uncredited)
Romo Gorrara
Airborne Soldier (uncredited)
Willoughby Gray
German Officer (uncredited)
Gerard Heinz
Card-Playing German Officer (uncredited)
John G. Heller
2nd German Sentry at Chateau (uncredited)
John Hollis
German Porter at Chateau (uncredited)
Alf Joint
German Sentry Wanting Light (uncredited)
Hildegard Knef
(uncredited)
Ann Lancaster
Prostitute (uncredited)
Richard Marner
German Sentry at Chateau (uncredited)
Dick Miller
MP at Hanging (uncredited)
Lionel Murton
MP Lt. Col. in charge at hanging (uncredited)
Mike Reid
Sergeant at War Games HQ (uncredited)
Frederick Schiller
Drunken German General (uncredited)
Burnell Tucker
Army Doctor (uncredited)
Michael Segal
Airborne Band Conductor (uncredited)