Alistair Petrie is an English actor. He had his career beginnings in the early 1990s. His initial works include guest roles on such TV shows Demob, All Quiet on the Preston Front, Game On, and Jonathan Creek, among others. In 1997, he made his film debut in Mrs Dalloway. In the 2000s, he had performances in the films Man to Man, The Mark of Cain, The Bank Job, The Duchess, and A Bunch of Amateurs. He also played George Forsyte on the miniseries The Forsyte Saga. In the 2010s, he starred as Geoff on Utopia and Lord Sandy Langbourne on The Night Manager. In 2018, he starred as Dr. Stephan S. Stanley in the Hollywood anthology series The Terror. As of 2019, he stars as Mr. Groff on the Netflix series Sex Education. In addition, he played General Draven in the film Rogue One.