Caitlin Houlahan is back at the diner serving up pies after leaving to sing some Bob Dylan tunes in Girl From the North Country at the Public Theater downtown. Other recent work: The Bridges of Madison County (1st Nat'l), Parade (Lincoln Center), The 25th…Spelling Bee (Bucks Co. Playhouse), The Theory of Relativity (Goodspeed). TV/film: Peter Pan Live! and Girls. Thanks to the Waitress team for their love and support and part in making dreams come true. Love to her hometown in Cleveland,