09/28/2008 05:12 am ET | Updated May 25, 2011

Michael Phelps Films "Entourage" Cameo, Wears A Speedo (VIDEO)

Michael Phelps spent Thursday in New York City before heading to Disneyland for a parade, California for the MTV Video Music Awards and back to New York to host Saturday Night Live. While in New York he filmed a cameo for the HBO show 'Entourage,' clothed, and stopped by a YMCA to present a donation for youth swim programs. He even hopped in the water in a speedo to teach the kids some of his gold medal moves.

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