His play Ein Tag: Lustspiel in Drei Akten, adapted by theatre director Philip Moeller as Caprice, had a successful run in 1929 at New York's Theatre Guild, then elsewhere.
Géza Maróczy | Géza von Bolváry | Géza Szőcs | Géza von Radványi | Géza Gárdonyi | Geza X | Geza Silberer | Géza Ottlik | Géza II of Hungary |
On screen, William has been portrayed by Ernst G. Schiffner in the 1936 German film Mädchenjahre einer Königin, based on the play by Geza Silberer about the early life of Queen Victoria, Peter Ustinov in the 2001 TV miniseries Victoria and Albert, and Toby Jones in the 2006 film Amazing Grace, in which he is incorrectly (when still a prince) seen sitting in the House of Commons.