Mike Flanagan Director, Screenwriter, Producer, Film Editing Courtney Bell Tricia Actor Katie Parker Callie Actor Justin Gordon Det. Lonergan Actor, Producer Scott Graham Dr. Elliott Actor Doug Jones Walter Lambert Actor Ian Gregory Mitch Actor Connie Ventress Ruth Actor Brandon Valley Jones Officer Anderson Actor Dave Levine Det. Mallory Actor Morgan Peter Brown Daniel Actor, Producer James Flanagan Jamie Lambert Actor Elisabeth Adwin Lawyer Actor Erin Cipolletti Officer Romero Actor Mark Dumonski Dr. Carpenter Actor Joe Wicker Producer Ryan David Leack Original Music Rustin Cerveny Cinematographer Adriana Lambarri Costume Design