Best known for playing the role of the secret agent, Roxanne Morton in the 2014 spy film, Kingsman: The Secret Service and its sequel The Golden Circle (2017), Sophie Louise Cookson is an English actress. Cookson was interested in arts from a very early age; whilst studying at the Woodbridge School, she was actively involved in singing, and musical theater. She was even a part of a theater company that toured Japan.

The actress quit acting mid-way to study art history and Arabic, however, she soon dropped out of the course and decided to pursue a career in acting and went to Oxford School Drama to study acting for three years and she graduated in 2013. It was during her time at Oxford that she got an offer to star in the miniseries, Moonfleet (2013), which was aired on Sky 1. The actress accepted the offer and thus marked her acting debut on the small screen.

After her maiden appearance on the screen, she got her big break in 2014 when she was cast to play the role of Roxanne Morton in Kingsman: The Secret Service. Her brilliant performance in the movie won her an Empire Award nomination for Best Female Newcomer. Her other notable film credits include The Huntsman: Winter`s War (2016), The Crucifixion (2017), a horror mystery thriller directed by Xavier Gens. Her 2019 release includes Red Joan, directed by Trevor Nunn.