Gloria Stroock (born 1923) was an American film and television actress who was born in New York City. The older sister of actress Geraldine Brooks, Stroock was best known for her supporting role in the television series McMillan & Wife as Maggie, the secretary of lead character Stewart McMillan. She also had supporting roles in films, including The Competition and The Day of the Locust, as well as guest roles in television series such as Archie Bunker's Place, Baretta, Martin Kane, Private Eye and Operation Petticoat. She was married to Leonard B. Stern until his death in 2011.