Giancarlo Giuseppe Alessandro Esposito (Italian:[dʒaŋˈkarlo dʒuˈzɛppe alesˈsandro eˈspɔːzito]; born April 26, 1958) is an American actor. He is best known for portraying Gus Fring in the AMC crime drama series Breaking Bad from 2009 to 2011 and in its prequel series Better Call Saul from 2017 to 2022. He won the Critics' Choice Television Award for Best Supporting Actor in a Drama Series twice for this role. He earned three nominations for the Primetime Emmy Award for Outstanding Supporting Actor in a Drama Series.

His other television roles include Federal Agent Mike Giardello in the NBC series Homicide: Life on the Street (1998–1999), Sidney Glass / Magic Mirror in the ABC fantasy series Once Upon a Time (2011–2017), Tom Neville in the NBC series Revolution (2012–2014), Dr. Edward Ruskins in the Netflix series Dear White People (2017–2021), Stan Edgar in the Amazon series The Boys (2019–present) and The Boys Presents: Diabolical (2022), and Moff Gideon in the Disney+ series The Mandalorian (2019–2023), the lattermost of which earned him two Primetime Emmy Award nominations. He also portrayed Adam Clayton Powell Jr. in the MGM+ series Godfather of Harlem (2019–present), acted in Westworld (2016), and starred in the Netflix television series Kaleidoscope (2023) and The Gentlemen (2024).

He is also known for his roles in several Spike Lee films, such as School Daze (1988), Do the Right Thing (1989), Mo' Better Blues (1990), and Malcolm X (1992). His other major films include Taps (1981), King of New York (1990), Bob Roberts (1992), Fresh (1994), The Usual Suspects (1995), Ali (2001), Monkeybone (2001), Last Holiday (2006), Rabbit Hole (2010), The Jungle Book (2016), Okja (2017) and Captain America: Brave New World (2025).

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