
Frank Anthony Grillo (born June 8, 1965) is an American businessman, entrepreneur, actor, producer, model and martial artist. He is known for playing Brock Rumlow/Crossbones in three superhero films and one series of the Marvel Cinematic Universe (MCU), Sergeant Leo Barnes in two action-horror films within The Purge franchise, and Rick Flag Sr. in the DC Universe (DCU). He has also appeared in Warrior (2011), The Grey (2012), End of Watch (2012), Zero Dark Thirty (2012), Wolf Warrior 2 and Wheelman (both 2017), and Boss Level (2021).
Grillo's television work includes the lead role in Kingdom (2014–2017) and recurring roles in Battery Park (2000), For the People (2002–2003), The Shield (2002–2003), Prison Break (2005–2006), Blind Justice (2005), The Kill Point (2007), and Billions (2020).
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Kill Code
2026 · as Benjamin

Superman
2025 · as Rick Flag Sr.

Avengers: Endgame
2019 · as Brock Rumlow

Captain America: Civil War
2016 · as Brock Rumlow / Crossbones

Homefront
2013 · as Cyrus Hanks

End of Watch
2012 · as Sarge

Captain America: The Winter Soldier
2014 · as Brock Rumlow

Minority Report
2002 · as Pre-Crime Cop

Wolf Warrior 2
2017 · as Big Daddy

The Purge: Anarchy
2014 · as Sergeant

Warrior
2011 · as Frank Campana

The Purge: Election Year
2016 · as Leo Barnes

Hitman's Wife's Bodyguard
2021 · as Bobby O'Neill

Boss Level
2021 · as Roy Pulver

Zero Dark Thirty
2012 · as Squadron Commanding Officer

The Grey
2012 · as John Diaz

Shattered
2022 · as Sebastian

Gangster Squad
2013 · as Russo (uncredited)