Mac Avoy has performed in the theater, film, and television. Her English-langiuage film credits include Sweet Revenge (with John Sessions) and Chocolat (as Madame Lemoine). She was a regular on the French legal series Avocats & associés. As a voice actress, she has dubbed Lindsay Wagner on The Bionic Woman and Eileen Davidson on The Young and the Restless. Animation credits include Grammi Gummi on The Gummi Bears and the title character in the Japanese animated series Detan.