Guest Stars Andrew Rannells voices Matthew MacDell Richard Kind voices Marty Glouberman Joe Wengert voices Caleb Paula Pell voices Barbara Glouberman Kat Dennings voices Leah Birch Jon Daly voices Judd Birch Jak Knight voices DeVon Seth Morris voices Greg Glaser Jess Harnell voices Dwayne 'The Rock' Johnson Kristen Bell voices Uninterested Girl Jon Gabrus voices Movie Theater Customer Uncredited Brendan McCreary voices Freddie Mercury (singing)