- She played the role of Louise in the 1940 Broadway stage revival of "Liliom".
- (1950 - January 1951) She acted in Nancy Mitford's adaptation of Andre Roussin's play, "The Little Hut," at the Lyric Theatre in London, England with Robert Morley and David Tomlinson in the cast. Peter Brook was director.
- (1944) Stage Play: I Remember Mama. Comedy. Written by John Van Druten. Adapted from "Mama's Bank Account" by Kathryn Forbes. Scenic Design by George Jenkins. Costume Design by Lucinda Ballard. Lighting Design by George Jenkins. Assistant to George Jenkins: Chase Adams. Assistant to Lucinda Ballard: Anna Hill Johnstone. Music Box Theatre: 19 Oct 1944- 29 Jun 1946 (713 performances). Cast: Mady Christians (as "Mama"), Oskar Homolka (as "Uncle Chris"), Joan Tetzel (as "Katrin"), Robert Antoine (as "Arne"), Frank Babcock (as "Soda Clerk"), Richard Bishop (as "Papa"), Marlon Brando (as "Nels") [Broadway debut], Josephine Brown (as "Florence Dana Moorhead"), Dorothy Elder (as "Another Nurse"), Marie Gale (as "A Nurse"), Ruth Gates (as "Aunt Jenny"), Adrienne Gessner (as "Aunt Trina"), Frances Heflin (as "Christine"), Carolyn Hummel (as "Dagmar"), Herbert Kenwith (as "Bellboy"), Ottilie Kruger (as "Dorothy Schiller"), Louise Lorimer (as "A Woman"), Ellen Mahar (as "Aunt Sigrid"), Oswald Marshall (as "Mr. Hyde"), William Pringle (as "Dr. Johnson"), Cora Smith (as "Madeline"), Bruno Wick (as "Mr. Thorkelson"). Produced by Richard Rodgers and Oscar Hammerstein II. Note: Theatre Owned and operated by Irving Berlin who had no direct involvement in production. Note: Filmed as I Remember Mama (1948) [Oscar Homolka was the only member of the original Broadway cast to reprise his role for the film].
- (1970) She acted in Alan Ayckbourn's play, "How the Other Half Lives," at the Lyric Theatre in London, England with Robert Morley, Heather Sears, and Donald Burton in the cast.