Secrets of My Stepdaughter A mother protects her stepdaughter after the teenager witnesses the murder of her best friend, but is soon forced to come to grips with the terrifying possibility that her stepdaughter may be the real killer. Details Casts Videos Galleries Posters Title Secrets of My Stepdaughter Release Date 2017-05-11 Runtime 01 Hours 22 Minutes Genres Thriller TV Movie Production Companies Covert Productions Production Countries Canada Josie Davis... Cindy Kent... Tiera Skovbye... Rachel Kent... Cameron Bancroft... Greg Kent... Alissa Skovbye... Addy Kent... Lucia Walters... Det. Pam Cherfils... Garry Chalk... Lt Brian Smith... Nancy Sivak... Tess... Veronika Hadravá... Martha Norwood... Mekhi Fester... Teen Boy... Jared Ager-Foster... Aaron Barker... Graison Foster... Reporter... Nickolas Baric... ... Madelyn Grace... Leslie... James Michalopolous... ... Diana Noris... Mary... Scout Skovbye... Pickles the Dog... A Murderer Upstairs - Trailer (Trailer) Original Size (2048x1152) Original Size (1777x999) Original Size (1000x1500) Original Size (693x1000) Original Size (1080x1620)