Margaret Thatcher: The Long Walk to Finchley, subtitled in the initial credits How Maggie Might Have Done It, is a 2008 BBC Four television drama based on the early political career of the young Margaret Thatcher, from her attempts to gain a seat in Dartford in 1949 via invasion to her first successful campaign to win a parliamentary seat, Finchley, in 1959. It also portrays her early relationship and marriage with Denis Thatcher.

Andrea Louise Riseborough is an English actress. She made her film debut with a small part in Venus (2006), and has since appeared in more prominent roles in Brighton Rock (2010), W.E. (2011), Shadow Dancer (2012), Oblivion (2013), Birdman (2014), Nocturnal Animals (2016), Battle of the Sexes, The Death of Stalin, Mandy, Nancy, The Grudge, Possessor, and To Leslie (2022). For the latter, she was nominated for the Academy Award for Best Actress.