Wahlberg is famous for the way he looks at himself in the mirror. His career skyrocketed after 1997’s Boogie Nights, in which he stands in his minute red briefs checking himself (and his hair and penis and butt) out in a full-length mirror in his bedroom at his parents’ house before embarking on a career as a porn star. Ever the fighter, his instinctive reaction is to start boxing and throwing karate punches and kicks. He was 25, playing a 17-year-old. Later in the film, he closes his acceptance speech at a porn-flick awards ceremony with another karate kick.

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The most compelling dramatic effect in Boogie Nights was the overwhelming sense of youthful na