[9] Martin Scorsese helms this dramatic thriller about an undercover cop (Leonardo DiCaprio) and a gang mole in the Boston police (Matt Damon) who race to uncover each other’s identities while a powerful mobster (Jack Nicholson) manipulates them both to his own, nefarious advantage. The Departed, inspired by the true story of Irish mobster Whitey Bulger, hits the ground running and never lets up on …