Simon Barrett Director, Screenwriter Suki Waterhouse Camille Actor Madisen Beaty Bethany Actor Ella-Rae Smith Helina Actor Inanna Sarkis Alice Actor Seamus Patterson Trevor Landry Actor Marina Stephenson Kerr Mrs. Landry Actor Jade Michael Lenora Actor Djouliet Amara Rosalind Actor Stephanie Sy Actor Megan Best Actor Russell Ackerman Producer Isaac Clements Producer Tomas Deckaj Producer John Schoenfelder Producer Alex Mace Producer Matthew Baker Producer Constance L. Hoy Executive Producer Phyllis Laing Executive Producer Daniel Negret Executive Producer Hal Sadoff Executive Producer Andrea Scarso Executive Producer Gabrielle Stewart Executive Producer Devan Towers Executive Producer Peter Watson Executive Producer Adam Wingard Executive Producer Chloe Katz Executive Producer Karim Hussain Cinematographer Mars Feehery Production Design G. Andrew Hussey Art Director Brittany Morrison Set Decoration Leslie Kavanagh Costume Design Deanna Brigidi Casting