Quinn Harris

Quinn Harris is a main protagonist of the supernatural horror film, Countdown. She is portrayed by Elizabeth Lail.

Biography
Quinn works as a nurse in the local hospital. She suffers frequent sexual harassment by her boss Dr. Sullivan, but fears speaking out as she has only just passed her exam to be an RA. Quinn downloads an app that claims to know exactly when a person is going to die. According to the app, she only has less than three days to live. With the time tickings away before the demon haunts her, she must find way to beat the clock to save her younger sister Jordan and herself from death.

Following after Quinn sacrificing by overdoses herself in order to destroy the demon, Jordan notices that Quinn has written something on her arm where she drew a diagram herself a circle and the word "Narcan". Jordan injects her by Naloxone, revives her and they hug when the countdown timers for them both stop.

Lately, Quinn, Jordan and their father visit a mother's grave. As they leave, Quinn discovers an update the new app Countdown 2.0 downloaded itself on her phone.