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Norway's most famous international actress, Liv Ullmann, 68, will play a grandmother in her first Norwegian film in 38 years, local media has reported.
Her comeback film - In a Mirror, in a Riddle - is based on a novel by Norwegian author Jostein Gaarder and directed by Danish filmmaker Jesper Nielsen.
Gaarder burst to international fame in 1991 with Sophie's World, a teenager's guide to philosophy.
Ullmann, born in 1938, made her breakthrough in the 1966 film Persona, directed by Ingmar Bergman, and went on to act in eight other films by the great Swede, including Scenes from a Marriage (1973) and Face to Face (1976).