Christopher Smith Director, Screenwriter Jim Broadbent Santa Claus Actor Rafe Spall Steve Actor Warwick Davis Sally Actor Kit Connor Tom Actor Nonso Anozie Knuckles Actor Jodie Whittaker Alison Actor Ewen Bremner PC Finkerton Actor Stephen Graham Barber Actor Joanna Scanlan Ruth Actor Liza Marshall Producer Tony Scott Producer Will Clarke Executive Producer Andrew Boswell Executive Producer Carlo Dusi Executive Producer Hugo Heppell Executive Producer Andy Mayson Executive Producer Norman Merry Executive Producer Ridley Scott Executive Producer Christopher Ross Cinematographer Stuart Gazzard Film Editing Ilan Eshkeri Original Music John Frankish Production Design James Lewis Art Director Louise Marzaroli Art Director Dominic Masters Art Director Julian Ashby Art Director Anita Gupta Set Decoration Steven Noble Costume Design Dixie Chassay Casting