The daughter of victims of the Holocaust, Karin trained at the Moscow State Jewish Theater during WWII and began performing after the war with her husband, Norbert Horowitz, in a traveling Yiddish theater they created for Holocaust survivors. She immigrated to the US in 1949 and enjoyed a successful career in New York's Yiddish theater scene, later expanding to Broadway and off-Broadway in shows including "The Wall", "Yentl", "A Call on Kuprin", "Scuba Duba" and "The House of Blue Leaves". Karin also made intermittent feature film appearances beginning the 1970s; her most memorable roles