Isobel “Bel” Powley, 31, was born in west London. In 2016 she was Bafta-nominated for The Diary of a Teenage Girl and shortlisted for a British independent film award for playing Princess Margaret in A Royal Night Out. Subsequent film roles include The King of Staten Island and Mary Shelley, where she met her fiance, actor Douglas Booth. On TV, she’s starred in The Morning Show and Dolly Alderton’s Everything I Know About Love. She now plays Hermine “Miep” Gies in miniseries A Small Light, based on the true story of the young woman who hid the Frank family during...