HomePeople Biography and filmographyCourtney DeCosky Courtney DeCosky is known for Dark Waters (2019), Mindhunter (2017) and Tentacle 8 (2014). Movies (4)TV shows (2) Movies (4) Not so different2020 · Stephanie El precio de la verdad2019 · All-American Mom Gotta Get Down to It2019 · Newscaster A Haunting in Salem2011 · Mrs. Underhill TV shows (2) Gone2018 MINDHUNTER2017 · Iowa Reporter #1