 Eddie RedmayneDug (voice) | Dug (voice) |
 Tom HiddlestonLord Nooth (voice) | Lord Nooth (voice) |
 Maisie WilliamsGoona (voice) | Goona (voice) |
 Timothy SpallChief Bobnar (voice) | Chief Bobnar (voice) |
 Miriam MargolyesQueen Oofeefa (voice) | Queen Oofeefa (voice) |
 Rob BrydonMessage Bird / Brian / Bryan / Gonad the Gaul (voice) | Message Bird / Brian / Bryan / Gonad the Gaul (voice) |
 Kayvan NovakDino / Jurgend (voice) | Dino / Jurgend (voice) |
 Richard AyoadeTreebor (voice) | Treebor (voice) |
 Selina GriffithsMagma / Additional Voice (voice) | Magma / Additional Voice (voice) |
 Johnny VegasAsbo (voice) | Asbo (voice) |
 Mark WilliamsBarry (voice) | Barry (voice) |
 Gina YashereGravelle (voice) | Gravelle (voice) |
 Rich WebberGrubup (voice) | Grubup (voice) |
 Simon GreenallEemak / Thongo / Additional Voice (voice) | Eemak / Thongo / Additional Voice (voice) |
 Nick ParkHognob (voice) | Hognob (voice) |
 Luke WaltonHügelgraber / Additional Voice (voice) | Hügelgraber / Additional Voice (voice) |
| AAntony BaymanAdditional Voices (voice) | Additional Voices (voice) |
| RRichard BeekAdditional Voices (voice) | Additional Voices (voice) |
| TTom DoggartAdditional Voices (voice) | Additional Voices (voice) |
| TTim HandsAdditional Voices (voice) | Additional Voices (voice) |
| AAdrian RhodesAdditional Voices (voice) | Additional Voices (voice) |
| VVictoria StevensAdditional Voices (voice) | Additional Voices (voice) |
 Ben WhiteheadAdditional Voices (voice) | Additional Voices (voice) |
