Helen Hayes

as Herself - Participant

as Miss Jane Marple

as Miss Jane Marple

as Lavinia Fullerton

as Lady St. Edmund

as Etta Grossman-Wise

as Hettie

as Mrs. Steinmetz

as Veta Louise Simmons

as Ada Quonsett

as Hotel guest (uncredited)

as Dowager Empress Maria Feodorovna

as Lucille Jefferson

as Woman in Hotel Lobby (uncredited)

as Madame Fabian

as Catherine Barkley

as Leora Tozer Arrowsmith

as Madelon Claudet