(1971) His play, "The Captain of Kopenick," was performed in a National Theatre production at the Old Vic Theatre in London, England with Paul Scofield (first role in the National Theatre), Jim Dale, Denis Quilley, John Moffatt, Benjamin Whitrow, Gerald James, Michael Turner, David Ryall, Bill Fraser, William Hobbs, Riggs O'Hara, Bernard Gallagher, Hazel Hughes, Jeanne Watts, Peter Duncan, Maureen Lipman, Anthony Nicholls, Harry Lomax, Ronald Pickup, and Kenneth Mackintosh in the cast. Frank Dunlop was director.