Guest Stars Jojo Macari as Mogwan Beau Fowler as Tusk Warrior 1 Ayesha Antoine as Polly the Healer Miles Yekinni as Bergerum Jun Hwang as Tusk Warrior 3 Co Starring Emily Coates as Sister Iris Billy Jenkins as Squirrel Clive Russell as Wroth the Tusk Commander Sofia Oxenham as Eydis Adaku Ononogbo as Kaze Ashley Bannerman as Cora (Faun Woman) Jóhannes Haukur Jóhannesson as Cumber the Ice King Sophie Harkness as Sister Celia Nikolaj Dencker Schmidt as Dof Natasha Culzac as Isma Youssef Kerkour as Pellam - Fisherman Bryony Miller as Brioni Clare Holman as Lady Cacher