| Year | Play | Role |
| 1935 | The Vision at the Inn | Catherine de Beaumanoir |
| 1935 | Today of All Days | Elsie Bispham |
| 1936 | A Damsel in Distress | Lady Maud Marsh |
| 1936 | First Instalment | Angela Finchley |
| 1937 | A School for Coquettes | Lady Phyllida Glenmorris |
| 1937 | Distinguished Gathering | Dorinda Caswell |
| 1938 | The Scarlet Pimpernel | Marguerite Blakeney |
| 1939 | Tovarich | Grand Duchess Tatiana Petrovna |
| 1940 | George and Margaret | Gladys |
| 1941 | Full House | Lady April Hannington |
| 1942 | Candida | Produced by |
| 1942 | Grouse in June | Sophie Kelly |
| 1943 | Laburnum Grove | Elsie Radfern |
| 1943 | Quiet Wedding | Janet Royd |
| 1946 | Rebecca | Mrs de Winter |
| 1946 | This Happy Breed | Queenie |
| 1947 | Carpet Slippers | Zuleika |
| 1947 | Quiet Weekend | Produced by |
| 1948 | Frieda | Mrs Robert Dawson (Frieda) |
| 1948 | The Shop at Sly Corner | Joan Deal |
| 1949 | The First Gentleman | Assistant Stage Managers |
| 1949 | The Winslow Boy | Catherine Winslow |
| 1951 | Mary Blake | Mary Blake |
| 1951 | Playbill | Millie Crocker-Harris |
| 1952 | The Heiress | Catherine (his daughter) |
| 1953 | See How They Run | Penelope Toop, his wife |
| 1953 | The Importance of Being Psmith | Constance Spencer, their eldest daughter |
| 1954 | The River Line | Marie Chassaigne (Mrs Wyburton), a Frenchwoman |
| 1955 | As Long As They're Happy | Pearl |
| 1956 | Witness for the Prosecution | Romaine |
| 1958 | A Question of Fact | Grace Smith |
| 1958 | Separate Tables | Mrs Shankland |
| 1958 | Separate Tables | Miss Railton-Bell |
| 1982 | The Winslow Boy | Grace Winslow |
| 1984 | Rebecca | Mrs Danvers |
| 1986 | Quiet Weekend | Directed by |
| 1988 | Waters of the Moon | Directed by |