Amanda Root. Actress: Die Eiserne Lady. Amanda Root is an English stage and screen actress and a former voice actress for children's programs.Root is known for her starring role in the 1995 BBC film adaptation of Jane Austen's Persuasion, her role in the British TV comedy All About Me, as Miranda, alongside Richard Lumsden in 2004, and for voicing Sophie in The BFG. She trained for the stage at Webber...