Frank Grillo

Frank Anthony Grillo is an American actor and martial artist. He is known for playing Brock Rumlow / Crossbones in three superhero films and one series of the Marvel Cinematic Universe and Sergeant Leo Barnes in two action-horror films within The Purge franchise. He has also appeared in Warrior (2011), The Grey (2012), End of Watch (2012), Zero Dark Thirty (2012), Wolf Warrior 2 and Wheelman, and Boss Level (2021).