 The Duke of Buckinghams billiard room and the long hall behind it  at his English estate is a leftover set from _Patton (1970)_ (qv),  it is also seen in _Four Musketeers, The (1974)_ (qv), where Milady  and Buckingham speak about American Indians and also serves as a set  of rooms in _Return Of The Musketeers, The (1989)_ (qv) for a  different character in France some 10 years after the action of the  first two films. Also, the gown worn by Faye Dunaway (qv) during  the Ball sequence at the end, is also the main gown worn by  Jenny Agutter (qv) in _Man In The Iron Mask, The (1977)_ (qv).