Corin Hardy Director Dafne Keen Chrys Willet Actor Sophie Nélisse Ellie Gains Actor Percy Hynes White Noah Haggerty Actor Nick Frost Mr. Craven Actor Mika Amonsen Tanner Actor Ali Skovbye Grace Friedkin Actor Janaya Stephens Graces Mom Actor Lanette Ware Maya Jackson Actor Sky Yang Actor Jhaleil Swaby Actor Michelle Fairley Actor Owen Egerton Screenwriter Whitney Brown Producer David Gross Producer Macdara Kelleher Producer John Friedberg Executive Producer Björn Charpentier Cinematographer Nick Emerson Film Editing Jennifer Spence Production Design Kari Measham Set Decoration Leslie Kavanagh Costume Design Sara Kay Casting Louise Kiely Casting Jenny Lewis Casting