Charlie Sheen Back at Work

Charlie Sheen Back at Work
Charlie Sheen
Karl Larsen/INF

10/28/2010 AT 03:15 PM EDT

Days after being taken to a New York hospital by police after allegedly trashing a hotel room, Charlie Sheen is back to his normal life in Los Angeles.

The Two and a Half Men star was photographed wearing a hat and sunglasses on a movie set in L.A., where he's filming a cameo in a pal's movie, reportedly titled She Wants Me.

Sheen, 45, "is playing himself in a small movie as a favor to a friend," his manager Mark Burg told PEOPLE earlier this week.

Meanwhile, Sheen has said news reports of his wild night, reportedly spent with porn star Christina Walsh, are "overblown and overplayed."

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