Gunnel Lindblom in The Seventh Seal, 1957, directed by Ingmar Bergman. Photograph: TCD/Alamy The Swedish film director Ingmar Bergman was renowned for writing complex and demanding roles for women such as Harriet Andersson, Bibi Andersson and Liv Ullmann. Further down the cast list, but prized by the director throughout his career, was Gunnel Lindblom, who has died aged 89. She appeared in several of his best-known pictures, including The Seventh Seal (1957), in which she was the young mute woman who accompanies a knight’s squire (Gunnar B...