Dione Willoughby
| Year | Play | Rôle(s) |
|---|---|---|
| 1976 | Black Comedy | Assistant Stage Manager |
| 1976 | The Real Inspector Hound | Assistant Stage Manager |
| 1974 | Bequest to the Nation | Katherine Matcham |
| 1960 | Fool's Paradise | Fiona Renshaw |
| 1959 | Julius Caesar | Portia |
| 1956 | Worlds Apart | The Spirit of Lady Mainwaring (Esmeralda) |
| 1956 | The Confidential Clerk | Lucasta Angel |
| 1953 | The Hollow | Veronica Craye |
| 1953 | Pride and Prejudice | The Lady Catherine de Bourgh |
| 1952 | Dear Octopus | Scenery painting |
| 1951 | Lady Windermere's Fan | Mrs Erlynne |
| 1949 | The First Gentleman | Lady Hertford |