Killing Kasztner: The Jew who Dealt with the Nazis is a feature-length theatrical documentary about Rudolf Kastner, and directed by Gaylen Ross.Ross first learned of Kasztner while working on another documentary, Blood Money: Switzerland's Nazi Gold. Ross interviewed a Hungarian woman who asserted that Kasztner had saved her life. Ross spent the next eight years researching and filming the documentary on Kasztner. She interviewed survivors who had been rescued by Kasztner, Kasztner's living relatives, the son of the opposing lawyer in Kasztner's case, historians, journalists, and Kasztner's assassin, Ze'ev Eckstein.

The film premiered at the 2008 Toronto International Film Festival, and was well received by critics. Its U.S. premiere was October 23, 2009.