Guest Stars Shelby Young voices Guest Performer Tim Heidecker voices Guest Performer Loudon Wainwright III voices Guest Performer James Atkinson voices Guest Performer Megan Mullally voices Guest Performer Fred Tatasciore voices Guest Performer Michael Chernus voices Guest Performer Matt Walsh voices Guest Performer Sean Giambrone voices Guest Performer Laurie Metcalf voices Guest Performer Bridget Everett voices Guest Performer Ian Roberts voices Guest Performer Tyreese Burnett voices Guest Performer Madeleine Curry voices Guest Performer Patty Matson voices Guest Performer Andrea Anders voices Guest Performer Gillian Jacobs voices Guest Performer Pej Vahdat voices Guest Performer Michael Kostroff voices Guest Performer Zeno Robinson voices Guest Performer Jane Becker voices Guest Performer Anders Holst voices Guest Performer Matt Besser voices Guest Performer