This Totally Ripped Actor Once Played a Doctor on a Hit ABC Series, But Who Is He? (PHOTOS)

Jack Shephard — a villain?

Former Lost star Matthew Fox slimmed down and muscled up for the role of serial killer Picasso in the upcoming thriller Alex Cross. Freaky-strong Matthew kinda looks like he could survive anything, including a plane crash.

Watch the foxy star get psychotic when his new movie hits theaters October 26.

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