Harry Williams Creator, Writer, Executive Producer, Director Jack Williams Creator, Writer, Executive Producer, Director Harry Williams Creator, Creator, Executive Producer, Executive Producer Daisy Haggard Janet Campbell Actor Paterson Joseph Samuel Wells Actor Craig Fairbrass Guy Actor Michele Austin Camilla Wells Actor Jonas Armstrong Arthur Lake Ethan Lawrence: Ben Tooh Actor Phil Daniels Craig Dodds Actor Joanna Scanlan Pat Tooh Actor Tchéky Karyo The Tailor Actor Ethan Lawrence Ben Tooh Actor Ólafur Darri Ólafsson Narrator Adam Gillen Vinnie Douglas Actor Matthew Bird Producer Sophie Goodhart Writer Daniel Nettheim Director Chris Aird Executive Producer Sarah Hammond Executive Producer Daniel Walker Executive Producer Alice Troughton Director