Sarah Snook is an Australian actress. She is known for her starring roles in many films, including Sisters of War, Not Suitable for Children, These Final Hours, Predestination, The Dressmaker, and Steve Jobs. For her performance in Predestination, she won the AACTA Award for Best Actress in a Leading Role.In 2018, Snook began her starring role as Siobhan "Shiv" Roy in the HBO satirical comedy-drama series Succession. For this role, she received a nomination for the Primetime Emmy Award for Outstanding Supporting Actress in a Drama Series in 2020.