Experimenter: The Stanley Milgram Story also known as the Experimenter, is a 2015 American biographical drama film written, directed and co-produced by Michael Almereyda. It depicts the Milgram experiment in 1961 by social psychologist Stanley Milgram. The film, co-produced by and starring Danny A. Abeckaser, also stars Peter Sarsgaard, Winona Ryder, Jim Gaffigan, Kellan Lutz, Dennis Haysbert, Anthony Edwards, Lori Singer, Josh Hamilton, Anton Yelchin, John Leguizamo.