Joseph Michael Manganiello ( MANG-gə-NEL-oh; Italian pronunciation: [maŋɡaˈnjɛllo]; born December 28, 1976) is an American actor. He played Flash Thompson in Sam Raimi's Spider-Man trilogy and had various recurring roles in television on ER, How I Met Your Mother, and One Tree Hill, before landing his breakout role as werewolf Alcide Herveaux on the HBO television series True Blood. In 2011, he was voted "Favorite Pop-Culture Werewolf of All Time" by the readers of Entertainment Weekly, and one of Men's Health's "100 Fittest Men of All Time".
Manganiello has appeared in films such as Magic Mike, What to Expect When You're Expecting, and Sabotage. In late 2013, he became a published author when his first book, Evolution, was released by Simon & Schuster's Gallery Books. He is active with several charities, including Children's Hospital of Pittsburgh of UPMC, and he serves on the committee of The Art of Elysium. In 2016, Manganiello was cast as Slade Wilson / Deathstroke in the DC Extended Universe, appearing in 2017's Justice League.