Eddie Redmayne
Dug (voice)

Tom Hiddleston
Lord Nooth (voice)

Maisie Williams
Goona (voice)

Timothy Spall
Chief Bobnar (voice)

Miriam Margolyes
Queen Oofeefa (voice)

Rob Brydon
Message Bird / Brian / Bryan / Gonad the Gaul (voice)

Kayvan Novak
Dino / Jurgend (voice)

Richard Ayoade
Treebor (voice)

Johnny Vegas
Asbo (voice)

Mark Williams
Barry (voice)

Gina Yashere
Gravelle (voice)

Rich Webber
Grubup (voice)

Simon Greenall
Eemak / Thongo / Additional Voice (voice)

Nick Park
Hognob (voice)

Luke Walton
Hügelgraber / Additional Voice (voice)

Ben Whitehead
Additional Voices (voice)