In June 1940, during the Dunkirk evacuation of Allied troops to England, French sergeant Julien Maillat and his men debate whether to evacuate to Britain or stay and fight the German troops that are closing-in from all directions.

Jean-Paul Belmondoas Julien Maillat
Catherine Spaakas Jeanne
Georges Géretas Pinot
Jean-Pierre Marielleas Pierson
François Périeras Alexandre
Pierre Mondyas Dhéry
Ronald Howardas le capitaine Robinson
Dominique Zardias le caporal-chef réceptionniste
Marie Duboisas Hélène, la femme d'Atkins
Christian Barbieras Paul
Henri Decaë