Guest Stars
Justin Roiland
voices Papers
Grey DeLisle Griffin
voices New Woman
Caleb McLaughlin
voices Mo-Slo
Ben Schwartz
voices Kingdom's Dad
Gary Anthony Williams
voices Ghost's Dad
Kevin Smith
voices Boobie Face
Retta
voices Ghost's Mom
Eugene Mirman
voices Denis
Christian Slater
voices The Narrator
Parker Simmons
voices Kingdom
Frances Conroy
voices Barb
Kenan Thompson
voices Mo-Slo Dad
Xolo Maridueña
voices Aqua Agua
Angela Marie Volpe
voices Boombox's Mom
