Mary Harron Director, Screenwriter Lily Cole Ernessa Actor Sarah Gadon Lucy Actor Sarah Bolger Rebecca Actor Scott Speedman Mr. Davies Actor Anne Day-Jones Rebecca's Mother Actor Valerie Tian Charley Actor Melissa Farman Dora Actor Laurence Hamelin Sofia Actor David Collins Producer Karine Martin Producer Sandra Cunningham Executive Producer Jean-François Doray Executive Producer Norton Herrick Executive Producer Declan Quinn Cinematographer Andrew Marcus Film Editing Lesley Barber Original Music Sylvain Gingras Production Design Camille Parent Art Director Daniel Carpentier Set Decoration Ginette Paré Set Decoration Josée Pilon Set Decoration Nicoletta Massone Costume Design Kerry Barden Casting Rosina Bucci Casting Paul Schnee Casting