Veronika Franz Director, Screenwriter Severin Fiala Director, Screenwriter Riley Keough Grace Actor Jaeden Martell Aidan Actor Lia McHugh Mia Actor Richard Armitage Richard Actor Alicia Silverstone Laura Actor Katelyn Wells Wendy Actor Dan Keough Aaron Marshall Actor Lola Reid Young Grace Actor Sergio Casci Screenwriter Simon Oakes Producer Aaron Ryder Producer Aliza James Producer Ben Browning Executive Producer Marc Schipper Executive Producer Thimios Bakatakis Cinematographer Michael Palm Film Editing Danny Bensi Original Music Sylvain Lemaitre Production Design Sophie Lefebvre Costume Design Dixie Chassay Casting