The Secret War of Harry Frigg

Paul Newman Pvt. Harry Frigg

Sylva Koscina Countess Francesca De Montefiore

Andrew Duggan Gen. Newton Armstrong

Tom Bosley Gen. Roscoe Pennypacker

John Williams Gen. Francis Mayhew

Charles Gray Gen. Adrian Cox-Roberts

Vito Scotti Col. Enrico Ferrucci

Jacques Roux Gen. Andre Rochambeau

Werner Peters Maj. von Steignitz

James Gregory Gen. Homer Prentiss

Fabrizio Mioni Lt. Rossano

Johnny Haymer Sgt. Pozzallo