A STALKER WHO WANTS TO STOP ALLISON FROM USING HER ABILITIES TO SOLVE CRIMES PUTS HER AND HER FAMILY AT RISK, ON "MEDIUM," TUESDAY, AUG. 18

"The Devil Inside, Part One" - Allison and her family are put in danger when she is stalked by a man who objects to her using her abilities to stop crimes, on MEDIUM, Tuesday, Aug. 18 (10:00-11:00 PM, ET/PT) on the CBS Television Network.

SERIES REGULARS:

Allison Dubois: Patricia Arquette
Joe Dubois: Jake Weber
District Attorney Devalos: Miguel Sandoval
Ariel Dubois: Sofia Vassilieva
Bridgette Dubois: Maria Lark
Detective Lee Scanlon: David Cubitt
Marie Dubois: Madison/Miranda Carabello

GUEST CAST:

Terry Cavanaugh: Ned Schmidtke
Lucas Harvey: Tony Curran
Trisha Daniels: Jessica McKee
Female Jogger/Cassidy Pierson: Rachel Cavenaugh
Passer-by: Regi Davis
Jeremy Crane: Andrew Thacher
Man/Donald Collier: Stuart McLean
Kevin Flynn: Andrew Rothenberg
Jane Doe: Diana Yekinni

WRITTEN BY: Diane Ademu-John

DIRECTED BY: Peter Werner

RATING: To Be Announced