In July 2007 , Law and Jeremy Gilley were in Afghanistan over a period of ten days to document peace commitments and activities there for an upcoming film and for marking the UN International Day of Peace . Accompanied by UNICEF Representative Catherine Mbengue , they travelled and filmed in dangerous areas of eastern Afghanistan with a film crew , interviewing children , government ministers , community leaders and UN officials . They also filmed at schools and visited various UNICEF-supported programmes inside and outside the capital Kabul . The efforts of Peace One Day are coordinated in celebration of the annual International Day of Peace , on 21 September . The film , named '' The Day After Peace '' , premiered at the Cannes Film Festival . On 21 September 2008 , the film was shown at a gala screening at the Royal Albert Hall
Cannes Film Festival
2008 Cannes Film Festival
Jude Law