Jake Geismar - a former Berlin correspondent for CBS and now a U.S. Army foreign correspondent
Lena Brandt - Jake's former love and wife of Emil Brandt
Patrick Tully - a mysterious young soldier
Colonel Muller - an upper-level assistant to General Clay
General Clay - head of the Legal Division of the American Military Goverment in post-war Germany
Danny - operates an escort service for military officers
Dr. Rosen - a doctor who cares for the health of the women who work for Danny
Bernie Teitel - a Jewish prosecutor of Nazi war criminals
Congressman Breimer - U.S. congressman; politician
Hannelore - worked with Jake before the war; now occupues his old apartment
General Sikorsky - a Russian General
Hasso Schaeffer - involved in classified operations involving locating and recruiting German scientists
Emil Brandt - Lena's husband; a mathematician and professor who worked during the war in the German missiles project
Professor Brandt - Emil's father
Gunther - a former German police detective who helps Jake
Renate - a Jew who was former acquaintance of Jake and who betrays others Jews to the Nazis.
Erich - Renate's young child
Liz - a photographer who comes to Berlin with Jake
Ron - an Army officer who coordinates the American press in Berlin
Pastor Fleishman - works with orphaned children
Frau Hinkel - fortune-teller