Obsada

• Joey King — Wren
• Javier Botet — Slender Man
• Julia Goldani Telles — Hallie
• Jaz Sinclair — Chloe
• Annalise Basso — Katie Jensen
• Kevin Chapman — M. Jensen
• Michael Reilly Burke — Hallie's Dad
• Jessica Blank — Hallie's Mom
• Michael Tow — Calculus Teacher
• Taylor Richardson — Lizzie