US was a 1966 experimental theatre play for the Royal Shakespeare Company, created by a group that included Denis Cannan, Michael Kustow, Sally Jacobs, Adrian Mitchell, Geoffrey Reeves, Albert Hunt and Michael Stott, and Peter Brook.
The play deals with the moral issues relating to the Vietnam War.
US, directed by Peter Brook, premiered on 13 October 1966 at the Aldwych Theatre, London. The cast included Glenda Jackson, Michael Williams and Clifford Rose.
In 1967, Benefit of the Doubt, a documentary by Peter Brook about the making of US was released. In 1968, Tell Me Lies, a British film based on US and directed and produced by Peter Brook, was released.