| Year,Title,Role,Notes | |
| 1979,A Month in the Country,Vera,- | |
| 1979,Artichoke,Lily-Agnes,- | |
| 1981,A Taste of Honey,Josephine,Nominated—Tony Award for Best Actress in a Play Nominated—Drama Desk Award for Outstanding Actress in a Play | |
| 1982,Agnes of God,Agnes,Tony Award for Best Featured Actress in a Play Drama Desk Award for Outstanding Featured Actress in a Play | |
| 1983,The Glass Menagerie,Laura,- | |
| 1985,A Lie of the Mind,Beth,- | |
| 1986,You Never Can Tell,Dolly Clandon,- | |
| 1987,Pygmalion,Eliza Doolittle,Nominated—Tony Award for Best Actress in a Play | |
| 1990,Abundance,Bess,- | |
| 1998,Killer Joe,Sharla,- | |
| 2005,The Lark,Joan of Arc,- | |
| 2006–2007,Summer and Smoke,Alma Winemiller,- | |
| 2013,The Two-Character Play,Clare,- | |
| 2017,The Night Of The Iguana,Hannah Jelkes,- | |