Two regular cast members of Hogan's Heroes, Werner Klemperer and John Banner, appear in this film. Also four regular guest stars of Hogan's Heroes appear in this film: Ruta Lee, Oscar Beregi, Jr., Theodore Marcuse and Norbert Schiller.
Karl Ludwig Lindt was originally cast as Himmler, but quit. He was replaced by Luis Van Rooten, who had previously played Himmler in The Hitler Gang (1944).
In Buenos Aires, David and the Israeli trail Eichmann in a 1951 Studebaker.