Jack Hawkins as Gen. Alex Schottland

Gia Scala as Lili Geyr

Erik Schumann as Lt. Reinisch

Alexander Knox as Gestapo Leader Müller

Felix Aylmer as Cornaz

Walter Hudd as Adm. Canaris

Edward Underdown as Kaltenbrunner

Laurence Naismith as Gen. Hauser

Geoffrey Bayldon as Dietz

Kenneth Griffith as Adolf Hitler

Robert Crewdson as 1st Gestapo Agent

Michael Caine as Gestapo Agent

Harriette Johns as Karen Corscher

Martin Benson as Gen. Wagner

Victor Woolf as Pawnbroker

Richard Grey as Field Marshal Keitel

Ronald Hines as German Corporal

Donald Pleasence as Gen. Hardt

Martin Boddey as Gen. Optiz

Bernard Fox as Lieutenant

Deering Wells as Gen. Merkel

Nade Beall as Eva Fischer

Ian Colin as Col. Heitz

Peter Swanwick as Gen. Toppe

Desmond Roberts as Gen. Zeiss

Victor Fairley as Gen. Rupert

W. Thorp Deverreux as Gen. Kirche

Neil Hallett as Hitler's Guard (uncredited)

Victor Harrington as German General at Party (uncredited)

Peter Welch as Gestapo Major (uncredited)

John Dunbar as Doctor (uncredited)

Bart Allison as Orderly (uncredited)

John Brooking as Staff Officer (uncredited)

Clifford Earl as British Soldier (uncredited)

Norman Fisher as German General at Restaurant (uncredited)

Dudley Foster as Gestapo Agent (uncredited)

Patrick Halpin as German Officer at Party (uncredited)

Edward Malin as Orderly (uncredited)

John McLaren as Bit Part (uncredited)

Martin Sterndale as Bit Part (uncredited)

Johnny Wyne as German Officer at Restaurant (uncredited)

Sheree Winton as (uncredited)