Will Attenborough: Will Attenborough. Actor: Dunkirk. Londoner Will was born on June 26 1991 and is part of an illustrious cultural family, being the grandson of actor-director Richard Attenborough and his actress wife Sheila Sim, great nephew of TV wildlife expert David Attenborough, son of actress Karen Lewis-Attenborough, as well as having a father - Michael Attenborough - and brother -Tom Attenborough - who are stage directors. Will read English at Cambridge...