The Hunt for the Unicorn Killer is a thriller/drama TV film that first aired on NBC in 1999 as a two-part miniseries. It starred Kevin Anderson, Naomi Watts and Tom Skerritt. Anderson plays 1970s activist and purported Earth Day co-founder Ira Einhorn, who is charged with, and later convicted in absentia of, the murder of his girlfriend Holly Maddux (played by Watts). Skerritt plays Maddux's father, who tries to bring Einhorn to justice.