Anthony Hopkins cast him as Willy Nilly in his production of "Under Milk Wood" for the official opening of the AIR Studios at Lyndhurst Hall, Hampstead in 1992, in aid of The Prince's Trust. Hopkins then asked Simon to personally assist him on his film and theatre productions of "August", an adaptation of Anton Chekhov's "Uncle Vanya", moved to North Wales. At the Orange Tree, Richmond, he starred as schizophrenic Victorian artist Louis Wain in Jane Coles' "Cat with Green Violin". He played De Brie in the original 1992 UK production of David Hirson's multi award-winning "La Bête" and Bassanes in John Ford's "The Broken Heart", both at the Lyric Hammersmith.