Of the 9 main credited cast members, 7 have appeared on Supernatural (2005): Woody Jeffreys, Sebastian Spence, Meredith McGeachie, Luke Camilleri, Hilary Jardine, Helena Marie, and Lucia Walters.
This is also known as A Wife's Suspicion.
Body count: 4.
Females in jeopardy: At about 54 minutes in, someone pushes some boxes onto Renee in the file room. She is knocked down but OK. With about 3 minutes left, Renee is threatened by Jack. She ganks him by pushing him off a cliff.