Dome Karukoski Director Nicholas Hoult J.R.R. Tolkien Actor Lily Collins Edith Bratt Actor Colm Meaney Father Francis Actor Derek Jacobi Professor Wright Actor Anthony Boyle Geoffrey Smith Actor Patrick Gibson Robert Gilson Actor Tom Glynn-Carney Christopher Wiseman Actor Craig Roberts Private Sam Hodges Actor Harry Gilby J.R.R. Tolkien (Young) Actor Adam Bregman Geoffrey Smith (Young) Actor Albie Marber Robert Gilson (Young) Actor Ty Tennant Christopher Wiseman (Young) Actor Laura Donnelly Mabel Tolkien Actor Genevieve O'Reilly Mrs. Smith Actor Pam Ferris Mrs. Faulkner Actor David Gleeson Screenwriter Stephen Beresford Screenwriter Peter Chernin Producer Jenno Topping Producer David Ready Producer Kris Thykier Producer Lasse Frank Johannessen Cinematographer Harri Ylönen Film Editing Thomas Newman Original Music Grant Montgomery Production Design Pilar Foy Supervising Art Direction Paul Cowell Art Director Colleen Kelsall Costume Design Kate Ringsell Casting