Sophie Cookson, at exactly 5ft 3 ½ inches (161.3 cm), is an English actress whose petite height amplifies her commanding screen presence in high-stakes roles. Best known for portraying the agile secret agent Roxanne "Roxy" Morton / Lancelot in the spy film Kingsman: The Secret Service (2014) and its sequel The Golden Circle (2017), her compact stature enhances the character's nimble and formidable image. She also starred as the titular Christine Keeler in the BBC One drama series The Trial of Christine Keeler, bringing intensity to the role with her precise 161.3 cm frame. Involved in singing and musical theatre since childhood, Cookson leverages her height for versatile, impactful performances.