Justin Roiland Leroy Peloni (voice) Zach Hadel Reggie Paloni (voice) Pamela Adlon Cheruce Paloni (voice) Kari Wahlgren Aunt Stephanie (voice) Steve Agee Lombardo Boyar Emma Chamberlain Megg (voice) Macaulay Culkin Mogg (voice) Dave Foley Owl (voice) Jon Glaser Werewolf Jones (voice) Dawn Cody Eugene Cordero Michael Cusack Olivia DeLaurentis Drew Droege Robert Englund David Firth Kate Freund Ian Gary Gilbert Gottfried Zach Hadel Lee Hardcastle Joel Haver Echo Kellum Tom Kenny Matthew Lillard Ryan Ridley Al Rodrigo Paul Scheer Rob Schrab Peter Serafinowicz Tara Strong David Tennant Trent Lenkarski