Desc: The Unimaginable Journey of Peter Ertel: Directed by Joseph Cahn. With Jackson Biesecker, Stephane Cornicard, Peter Ertel, Len Kosatka. German war veteran Peter Ertel tells how he barely survived the Russian Front and the Battle of Normandy, became a U.S. Government agent in postwar Germany, and began a 25-year career working for a small company owned by Orthodox Jews.