His promising education was aborted; his close-knit family splintered. When the Gestapo came for Orbach's mother on Christmas Eve 1942, they escaped with false papers; his mother found sanctuary with a family of Communists and Orbach - under the assumed identity of Gerhard Peters - entered Berlin's underworld of 'divers'. He scraped a living by hustling pool, cheating in poker and stealing - fighting, literally, to stay alive. Outwardly he became...