Oh! What a Lovely War (1969)

The working-class Smiths change their initially sunny views on World War I after the five boys of the family witness the harsh reality of trench warfare.

Director: Richard Attenborough

Cast: Laurence Olivier, Vanessa Redgrave, Maggie Smith, John Mills, Corin Redgrave, Maurice Roëves, Ian Holm, Juliet Mills