Gus Birney: Gus Birney. Actress: I'm Thinking of Ending Things. Gus Birney was born Augusta Marsh Birney, in New York, to actor parents. She is an Actress, Model, and Songwriter. Her mother Constance Shulman, and father Reed Birney raised her and her brother Ephraim Birney around the theater world of New York City. Gus's grew up in performing art schools and got one of her first jobs in a Clean and Clear...
