Kate Trefry Director, Screenwriter Maika Monroe Lucy Actor Joe Keery Jack, The Gimp Actor Evan Miller The 'Other' Gimp Actor David Carrico Producer James Mitchell Producer John Trefry Producer Caleb Heymann Cinematographer David Pergolini Film Editing John Kaefer Original Music Susannah Lowber Production Design Jonneke Grisham Set Decoration Alisha Silverstein Costume Design