BERLIN, Feb 20 (Reuters) - For Helen Mirren, playing Israel's only female prime minister, Golda Meir, was not unlike a role as a British monarch. "Golda," which premiered at the Berlin Film Festival on Monday, focuses on Meir's leadership during the Yom Kippur War between Israel and a coalition of Arab states in October 1973. "It's not a biopic, it's not her whole life, it's just a little section where she's most challenged," said Mirren. Mirren is nearly unrecognizable as Meir thanks to prosthetics and a make-up regimen that took hours, re-creating the Israeli leader's nicotine-stained fingers and swollen ankles. Nattiv also explained his decision to cast Mirren even though she is not Jewish, saying that besides being an excellent actor, she felt like a family member.

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