Stage Appearances
| Play | Opening Date | Location | Role |
| Kind Lady | Summer 1935 | Lobrero Theatre | Phyllis Glenning |
| Call it a Day | June 1936 | El Capitan Theatre | Catherine |
| Faust | June 1938 | Pilgrimage Theatre | Marguerite; understudy |
| The Hollywood Hotel | June 1938 | ----- | Virginia Stanton |
| Family Album | Summer 1940 | El Capitan Theatre | ----- |
| Tea and Sympathy | June 1, 1954 | Ethel Barrymore Theatre | Laura Reynolds |
| Separate Tables | June 25, 1958 | Rockland County Playhouse | Ann Shankland |
| Hilary | June 16, 1959 | Deauville Hotel | Hilary Endicott |
| Susan and God | June 13, 1960 | Pocono Theatre | Susan Trexel |
| A Severed Head | Summer 1964 | New Haven, CT | Antonia Lynch-Gibbon |
| The Marriage-Go-Round | Winter 1964 | The Music Tent | Content Lowell |
| The Unexpected Guest | June 29, 1965 | Town and Country Playhouse | Laura Warwick |
| Dial "M" for Murder | January 24, 1966 | Municipal Theatre | Margot Wendice |
| The Spider's Web | June 26, 1967 | Country Playhouse | Clarissa Hailsham-Brown |
| Private Lives | June 24, 1968 | Candlewood Theater | Amanda Prynne |
| Relatively Speaking | June 29, 1970 | Gilford Playhouse | Sheila |
| Dial "M" for Murder | Early 1972 | Johannesburg, South Africa | Margot Wendice |
| The Romantic Age of Elizabeth Barrett Browning | August 8, 1973 | John Drew Theater | This was a lecture and poetry reading by Joan |
| Dial "M" for Murder | 1974 | Two-month tour in the U.S. | Margot Wendice |
| Forty Carats | February 12, 1974 | Saugus, MA | Ann Stanley |
| Cactus Flower | January 1975 | Chateau de Ville Dinner Theatre | Stephanie Dickinson |
| Blithe Spirit | May 17, 1976 | Playhouse Dinner Theater | Ruth Condomine |
| A Lion in Winter | Summer 1979 | English Theatre - Vienna | Queen Eleanor |
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