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)
Selina Griffiths
Magma / Additional Voice (voice)
Mark Williams
Barry (voice)
Gina Yashere
Gravelle (voice)
Rich Webber
Grubup (voice)
Simon Greenall
Eemak / Thongo / Additional Voice (voice)
Luke Walton
Hügelgraber / Additional Voice (voice)
Antony Bayman
Additional Voices (voice)
Richard Beek
Additional Voices (voice)
Tom Doggart
Additional Voices (voice)
Tim Hands
Additional Voices (voice)
Adrian Rhodes
Additional Voices (voice)
Victoria Stevens
Additional Voices (voice)
Ben Whitehead
Additional Voices (voice)