Gregory Peck as Dr. Josef Mengele in The Boys From Brazil Gregory Peck felt that Dr. Josef Mengele was the only completely unsympathetic character he ever portrayed.

LOS ANGELES -- Gregory Peck, who embodied saintly fatherhood in "To Kill a Mockingbird" and played a range of real-life figures from Abraham Lincoln to Josef Mengele, died Thursday at 87.

When the young Nazi hunter is killed, Lieberman heads to Paraguay to uncover a truth that turns out to be horrific. Gregory Peck played Mengele in the film, which was nominated for five Oscars.