Gil Kenan Director, Screenwriter, Screenwriter Henry Lawfull Nikolas Actor Stephen Merchant Miika Voice Michiel Huisman Joel Actor Zoe Margaret Colletti The Truth Pixie Actor Kristen Wiig Aunt Carlotta Actor Sally Hawkins Mother Something Actor Toby Jones Father Topo Actor Indica Watson Little Noosh Actor Maggie Smith Aunt Ruth Actor Jim Broadbent Father Vodol Actor Rune Temte Anders Actor Philip Lenkowsky Hessu Actor Peter Hosking Some Elf Actor Perveen Hussain Loka Actor Abiola Ogunbiyi Mother Harcus Actor Kendrick Ong Big Hunter Actor Rishi Kuppa Little Kip Actor Joel Fry Actor Ol Parker Screenwriter, Screenwriter Matt Haig Writer, Executive Producer Graham Broadbent Producer Peter Czernin Producer Ron Halpern Executive Producer Ben Knight Executive Producer Didier Lupfer Executive Producer