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
Bronwen (voice)
Eugene Cordero
Banana Guy
Michael Cusack
Nugget (voice)
Olivia DeLaurentis
Annie Alphabet
Drew Droege
Robert Englund
David Firth
Mr. Clack / Jason / Guest (Slaughter Cafe)
Kate Freund
ZAP
Ian Gary
Gilbert Gottfried
Reed
Zach Hadel
Lee Hardcastle
Joel Haver
Sydney Heller
Echo Kellum
Tom Kenny
Matthew Lillard
Chip (Slashtronaut) (voice)
Ryan Ridley
Al Rodrigo
Paul Scheer
Leon (Banana Party) / Tenant (The Dreston) (voice)
Rob Schrab
Peter Serafinowicz
Tara Strong
David Tennant
Roach Chef (voice)
Trent Lenkarski
Vatche Panos
Little Long Legs (voice)
Ryder Bird
Molly Garcia
Jacob Hair
Jordan Harris
Michelle Nunn
Black Chick
Vatche Panos
Karl Withakay Parish
Jaime Rodríguez
Carla Simpson
Mariah Tavares
Brian Wysol
Zombie (The Dreston) (voice)