Michael Phelps may have another career going: Acting. Entourage 's Kevin Connelly said the 23-year-old Olympian was a hit while filming a guest spot on the HBO series. "Oh, it was fantastic," he told Usmagazine.com Monday at the William Rast fashion show in NYC. Phelps plays himself on the upcoming episode -- and gives Connelly's character a hard time after bumping into him at a crosswalk in NYC. Connelly told Us it was by chance that Phelps landed the gig. "It was a surprise ...