Lee Van Cleef

MSgt. Sullivan

Jack Kelly

Captain Valli

Giampiero Albertini

Aldo

Marino Masé

Tomassini

Götz George

Rudi

Pier Paolo Capponi

Corbi

Ivano Staccioli

Rodolfo

Marilù Tolo

Adriana

Joachim Fuchsberger

Oberleutnant Heitzel Agen (Professor) (als Akim Berg)

Heinz Reincke

Offizier Hans