Koala Man

Michael Cusack

Kevin Williams / Koala Man / Liam Williams (voice)

Sarah Snook

Vicky Williams (voice)

Demi Lardner

Alison Williams (voice)

Justin Roiland

Chad Wagon (voice)

Hugh Jackman

Big Greg (voice)

Aaron Chen

Dennis (voice)

Hugo Weaving

King Emudeus (voice)

Miranda Otto

Mindy (voice)