Jean-Paul Belmondo as Yvon Morandat

Charles Boyer as Doctor Monod

Leslie Caron as Françoise Labé

Jean-Pierre Cassel as Lt. Henri Karcher

George Chakiris as GI in Tank

Bruno Cremer as Colonel Rol Tanguy

Claude Dauphin as Colonel Lebel

Alain Delon as Jacques Chaban-Delmas

Kirk Douglas as General Patton

Pierre Dux as Cerat - Alexandre Parodi

Glenn Ford as Lt. Gen. Omar N. Bradley

Gert Fröbe as Von Choltitz

Daniel Gélin as Yves Bayet

Georges Géret as Baker

Hannes Messemer as General Jodl

Harry Meyen as Lieutenant von Arnim

Yves Montand as Sgt. Marcel Bizien

Anthony Perkins as Sgt. Warren

Michel Piccoli as Edgar Pisani

Wolfgang Preiss as Capitaine Ebernach

Claude Rich as General Leclerc

Robert Stack as General Sibert

Simone Signoret as Cafe Owner

Jean-Louis Trintignant as Captain Serge

Pierre Vaneck as Maj. Roger Gallois

Marie Versini as Claire Morandat

Skip Ward as Charlie, U.S. soldier

Orson Welles as Konsul Nordling

Michel Etcheverry as Prefect Luizet

Billy Frick as Adolf Hitler

Ernst Fritz Fürbringer as General von Voineburg

Konrad Georg as Gen. Field Marshal Model

Joachim Hansen as Commander of Fresnes prison

Félix Marten as Georges Landrieu

Paloma Matta as Lilane Charvet, young bride

Günter Meisner as SS Commander in Pantin

Sacha Pitoëff as Joliot-Curie

Albert Rémy as Policeman / Gendarme

Christian Rode as Burned German soldier

Helmuth Schneider as German adjutant in the subway

Otto Stern as German soldier in the subway

Tony Taffin as Bernard Labé

Jean Valmont as F.F.I. bazooka

Karl-Otto Alberty as SS (Bayeux Tapestry)

Pierre Collet as Resistant policeman

Paul Crauchet as Priest

Germaine de France as Old lady

Bernard Fresson as F.F.I liaison officer

Michel Gonzalès as Resistant student

Peter Jacob as Infantry General Burgdorf

Hubert de Lapparent as Bailiff at Matignon

Roger Lumont as Jade Amicol

Pierre Mirat as Owner of the Medicis bistro

Francis Nani as Resistant student

Peter Neusser as SS (Bayeux Tapestry)

Sébastien Poitrenaud as Resistant student

Jean-Michel Rouzière as Gentleman with the little dog

Georges Staquet as Captain Dronne

Hénia Suchar as Prefecture's switchboard operator

Claude Vernier as German prisoner

Georges Claisse as Intern with Monod (uncredited)

Suzy Delair as Parisian woman (uncredited)

Patrick Dewaere as Young resistant (uncredited)

André Falcon as Member of Resistance council (uncredited)

Michel Fugain as Young resistant (uncredited)

Jeanne Herviale as Bit part (uncredited)

Michael Lonsdale as Debu-Bridel (uncredited)

Jacques Léonard as American soldier (uncredited)

Maria Machado as Stella (uncredited)

E.G. Marshall as Intelligence Officer Powell (uncredited)

Mike Marshall as F.F.I. member (uncredited)

Georges Poujouly as Landrieux (uncredited)

Serge Rousseau as Col. Fabien (uncredited)

Cécile Vassort as Young woman (uncredited)

Michel Sardou as Young resistant (uncredited)