Guest Stars Patrick Brammall as Andy Bouchard Peter Scolari as Bishop Thomas Marx Renée Elise Goldsberry as Renée Harris Taylor Louderman as Malindaz Sophia Anne Caruso as Emma James Udom as Father Walsh Julia Nightingale as Olivia Alison Cimmet as Sister Elena Co Starring Samantha Blaire Cutler as Erin Sondrine Lee Bontemps as Choir Member Leon Pintel as Choir Member Ileena Irving as Choir Member Sarah-Anne Martinez as Mia Keaton Whittaker as Choir Member Georgi James as Gigi Laila Drew as Girl #1 in Cafeteria Jada Temple as Choir Member Sadie Seelert as Choir Member Kiaya Scott as Choir Member Brianna Lena Oristano as Choir Member Eve O'Brien as Choir Member Megumi Nakamura as Choir Member Kara Oates as Choir Member Grace Martini as Choir Member Alexa Magro as Choir Member Julia Hemp as Choir Member Korina Lea Deming as Choir Member Alex Colavecchio as Choir Member Jasmine Rogers as Charlotte Q Smith as Choir Director Alexa Shae Niziak as Girl #2 in Cafeteria Jonathan Coulton voices Himself