A four-time Tony Award nominee, she twice won the Tony Award for Best Actress in a Play: for the original Broadway productions of Separate Tables (1957) and The Night of the Iguana (1962).
En fire-gange nominerede til en Tony Award, hun to gange vandt en Tony Award for bedste skuespillerinde i et skuespil; for de originale Broadway-produktioner af Separate Tables (1957) og The Night of the Iguana (1962).