Patti LuPone as Avis Amberg Avis's wardrobe was inspired by Joan Crawford and Barbara Stanwyck — she could definitely pull off what Sarah calls "the best of the amazing, whimsical, or very fashion-forward moments of the 1940s." She wears these amazing shoes that are half mink with silver studs, which Lou secured while working on a different project in New York and brought back for Sarah to use during filming. Image Source: Netflix