Guest Stars James Cromwell as Henry - Roy's Doctor Robin Weigert as Mormon Mother David Zayas as Super Sterling K. Brown as Orderly Lisa Leguillou as Nurse Barbara Fusco as Mennonite Choir Member Brian Dougherty as Mennonite Choir Member Christopher Schuman as Mennonite Choir Member Elizabeth Clancy as Mennonite Choir Member Kevin 'flotilla Debarge' Joseph as Singer in Church Mary Esbjornson as Mennonite Choir Member Reldalee Wagner as Mennonite Choir Member Serafina Martino as Mennonite Choir Member Shawn Bartels as Mennonite Choir Member Steven Edward Moore as Mennonite Choir Member Matthew Yohn as Mennonite Choir Member