Curtis Vowell Director Nicola Coughlan Humble Joan Actor Aimee Lou Wood Queen Dagan Actor James Acaster Felix the Ironmonger Actor Jessica Hynes Leofwine Actor Nick Frost Bobik Actor Paul Kaye King Ivarr Actor Lolly Adefope Shulmay Actor John Macmillan King Guthrum Actor Andy Riley Screenwriter, Executive Producer Damian Jones Producer Matthew James Wilkinson Producer Nigel Green Executive Producer Paul Grindey Executive Producer Sophie Meyer Executive Producer Ashley Rowe Cinematographer Mark Davies Film Editing Richard Shaw Film Editing Rael Jones Original Music Kit Line Production Design Gemma Clancy Art Director Sue McLean Set Decoration Caroline Harris Costume Design Kelly Valentine Hendry Casting Jessica Mescall Casting