Guest Stars Hannah Dunne as Lizzie Jennifer Kim as Sharon Philip Jackson Smith as Mike John Anderson as Vinnie Joshua Bell as Himself Constantine Maroulis as Oedipus Griffin Birney as Duncan Tom Bateman as Bernard Rachel Zeiger-Haag as Drunk girl Brenna Palughi as Threesome woman Eddie K. Robinson as Party guy #1 Kaitlin Mesh as Dancer #3 Matt Braver as Flutist Rebecca Riker as Dancer #5 Sara Elisabeth Andreas as Dancer #4 Mark Snyder as Oboist #1 Katie Webber as Dancer #6 Katie Scheele as Oboist #2 Ericka Yang as Dancer #1 Jim Ferraiuolo as Oboist #3 James Graseck as Homeless Violinist Afra Hines as Dancer #2 Samuel Stricklen as Violonist Gabriel Millman as Drunk guy Raymond McAnally as Percussionist Bob Dishy as Bruno David Shih as Pianist