The Royal National Theatre of Great Britain, commonly known as the National Theatre within the UK and as the National Theatre of Great Britain internationally, is a performing arts venue and associated theatre company located in London, England. The theatre was founded by the actor Laurence Olivier in 1963, and many well-known actors have per…The Royal National Theatre of Great Britain, commonly known as the National Theatre within the UK and as the National Theatre of Great Britain internationally, is a performing arts venue and associated theatre company located in London, England. The theatre was founded by the actor Laurence Olivier in 1963, and many well-known actors have performed with it since.