Sam Gilroy is an actor. He had his career beginnings in the 2000s. He debuted in the 2004 short film called Gorilla Gram. He later made his film debut in Michael Clayton. He next appeared in the movie The Day the Earth Stood Still. In the 2010s, Gilroy had performances in such films as The Bourne Legacy and Beautiful Creatures.
He next guest-starred in an episode of Blue Bloods. His first notable role on the small screen was as Michael Dimonda in the Showtime series Billions. After this, he starred in the feature films Roman J. Israel, Esq. and Write When You Get Work. He later appeared as Michael in 3 episodes of Imposters. This year, he appeared in the film Lapsis.