Guest Stars Kit Connor voices Pantalaimon Joe Tandberg voices Iorek Byrnison Cristela Alonzo voices Hester David Suchet voices Kaisa Jamie Wilkes as DI Walters Bella Ramsey as Angelica Sasha Frost as Reina Miti Lewis MacDougall as Tullio Julie Hale as Zoe (Mary's Sister) Kirsty Besterman as Sam Cansino Angus Wright as Dr Haley Henry Miller as Porter Nigel Cooke as Seal Hunter Frankie Hervey as Louise Alfie Todd as Ben
