Morgan O'Kane

A Runaway at 16, Busking Since 2008: All About the 'Louie' Street Performer

Cameos on episodes of FX's Louie are typically limited to A-list comedic friends of Louis C.K.'s, such as Chris Rock, Sarah Silverman and Jerry Seinfeld. But the show's season-five premiere Thursday night featured a relatively obscure New Yorker: a banjo player whose expert picking in Washington Square Park inspires C.K. to attend a potluck following a depressing therapy session.