Millicent Mary Lillian Martin is an English actress, singer, and comedian. She was the lone female singer of topical songs on the weekly BBC Television satire show That Was the Week That Was known as TW3 (1962โ1963), and won a BAFTA TV Award in 1964. For her work on Broadway, she received Tony Award nominations for Side by Side by Sondheim (1977) and King of Hearts (1978), both for Best Featured Actress in a Musical. Other television roles include her recurring role as Gertrude Moon in the NBC sitcom Frasier (2000โ04) and Joan Margaret in Grace & Frankie.