Emile Hirsch as Jim (voice)

Lexi Medrano as Claire (voice)

Charlie Saxton as Toby (voice)

Kelsey Grammer as Blinky (voice)

Alfred Molina as Archie (voice)

Steven Yeun as Steve (voice)

Nick Frost as Stuart (voice)

Colin O'Donoghue as Douxie (voice)

Diego Luna as Krel (voice)

Tatiana Maslany as Aja (voice)

Nick Offerman as Vex (voice)

Cole Sand as Eli (voice)

Fred Tatasciore as Aaarrrgghh!!! (voice)

Brian Blessed as Charlemagne (voice)

Kay Bess as Bellroc (voice)

Piotr Michael as Bellroc (Male Voice) / Skrael (voice)

James Hong as Zong Shi (voice)

Tom Kenny as Ricky Blank (voice)

Angel Lin as Nari (voice)

Amy Landecker as Barbara (voice)

Jonathan Hyde as Strickler (voice)

Bebe Wood as Shannon (voice)

Laraine Newman as Ms. Janeth (voice)

Cheryl Hines as Momblank (voice)

Grey DeLisle as Additional Voices (voice)

Steve Alterman as Additional Voices (voice)

Vic Chao as Additional Voices (voice)

David Chen as Additional Voices (voice)

Julie Falls as Additional Voices (voice)

Peter Falls as Additional Voices (voice)

Elisa Gabrielli as Additional Voices (voice)

Joyce Kurtz as Additional Voices (voice)

John Laus as Additional Voices (voice)

Joanna Leeds as Additional Voices (voice)

Arthur Ortiz as Additional Voices (voice)

Elizabeth Pan as Additional Voices (voice)

Frank Welker as Additional Voices (voice)

Kelly Stables as Additional Voices (voice)

Warren Sroka as Additional Voices (voice)

Stephanie Sheh as Additional Voices (voice)

James Purefoy as Additional Voices (voice)

Ben Pronsky as Additional Voices (voice)

Jacqueline Pinol as Additional Voices (voice)