The Lazarus Effect is a 2015 American supernatural horror film directed by David Gelb and written by Luke Dawson and Jeremy Slater. The film stars Mark Duplass, Olivia Wilde, Donald Glover, Evan Peters, and Sarah Bolger. A team of ambitious medical professionals have found a way to bring dead patients back to life using a serum code-named "Lazarus". After several successful tests are done on animals, Zoe (Olivia Wilde), one of the lead researchers, dies in a lab accident. In desperation, the team uses "Lazarus" to bring her back and they are successful. When she begins to display unusual abilities, the team realizes that their attempt to resurrect the dead may have opened the door to unfathomable evil.