Richard Burton as Maj. Smith

Clint Eastwood as Lt. Morris Schaffer

Mary Ure as Mary Ellison

Patrick Wymark as Col. Wyatt Turner DSO MC

Michael Hordern as Adm. Rolland

Donald Houston as Christiansen

Peter Barkworth as Berkeley

William Squire as Thomas

Robert Beatty as Brig. Gen. George Carnaby

Brook Williams as Sgt. Harrod

Neil McCarthy as Sgt. Jock MacPherson

Vincent Ball as Carpenter

Anton Diffring as Col. Kramer

Ferdy Mayne as Rosemeyer

Derren Nesbitt as Von Hapen

Victor Beaumont as Col. Weissner

Ingrid Pitt as Heidi

Guy Deghy as Maj. Wilhelm Wilner (uncredited)

Philip Stone as Sky Tram Operator (uncredited)

Chris Adcock as German Soldier (uncredited)

Del Baker as Pilot / German Soldier (uncredited)

Richard Beale as Telephone Orderly (uncredited)

Ivor Dean as German Officer #2 (uncredited)

Max Faulkner as Sgt. Hartmann (uncredited)

Harry Fielder as German Soldier (uncredited)

John G. Heller as German Major - at 'Zum Wilden Hirsch' (uncredited)

Olga Lowe as Lt. Anne-Marie Kernitser (uncredited)

Ian McCulloch as German Officer (uncredited)

Terence Mountain as German Radio Op (uncredited)

Derek Newark as German Major (uncredited)

Jim Brady as Waiter at Zum Wilden Hirsch (uncredited)

Anton Rodgers as German Officer at Airfield (uncredited)

Jack Silk as German Officer at Ammunitions Shed (uncredited)

Jim Tyson as Innkeeper (uncredited)

Ernst Walder as Airport Control Officer (uncredited)

Del Watson as German Soldier (uncredited)

Terry Yorke as Major Brandt (uncredited)

Bill Burns as German Soldier in Pub (uncredited)

Pauline Chamberlain as Blonde Woman in Tavern (uncredited)

Vic Chapman as SS Officer (uncredited)

Terence Conoley as Nazi (uncredited)

Jim Dowdall as German Officer on Stairs (uncredited)

Frank Henson as German Soldier (uncredited)

Lyn Kennington as German Woman (uncredited)

Nigel Lambert as Young German Solider (uncredited)

Edward Michael Perry as German Soldier (uncredited)

Peter Roy as German Soldier (uncredited)

Bill Sawyer as Helicopter Pilot (uncredited)

Larry Sheppard as German Soldier (uncredited)

Fred Wood as German Soldier in Bier Keller (uncredited)