Katrina Law has established herself as a versatile and compelling presence in American television, known for her commanding performances across a range of popular series. Born and raised in New Jersey, Law is of German, Italian, and Korean descent, a heritage that has contributed to her distinctive screen presence. She developed an early interest in acting and pursued her passion after graduating from high school, training at the prestigious Stella Adler Studio of Acting in New York City to hone her craft. Her dedication to the art form quickly paid off, leading to her first significant role in the gritty action film The Grudge 3 in 2009, where she played the character Rose.

Law’s breakthrough came when she was cast as Mira, a fierce and loyal gladiator’s wife, in the Starz historical drama Spartacus: Blood and Sand in 2010. The role showcased her physicality and emotional depth, and she reprised the character in the prequel series Spartacus: Gods of the Arena and later in Spartacus: Vengeance, earning her a dedicated fan base within the cult-hit franchise. Following her success in the ancient world, Law transitioned to the realm of comic book adaptations, joining The CW’s Arrow in 2013 as Nyssa al Ghul, the formidable daughter of Ra’s al Ghul and a member of the League of Assassins. Her portrayal of the complex, morally ambiguous assassin was widely praised, and she became a recurring fan favorite throughout multiple seasons, sharing the screen with Stephen Amell and David Ramsey.

In 2018, Law took on the role of Karen Beach in the Sony Crackle crime drama The Oath, a series created by Sean Bean that explored the corrupt underbelly of law enforcement. She then brought her talents to the long-running CBS procedural Hawaii Five-0 in 2019, playing Quinn Liu, a sharp and resourceful detective who became a key member of the task force. Her work on Hawaii Five-0 demonstrated her ability to anchor a procedural drama with both grit and charm. Most recently, Law has become a prominent figure on the CBS flagship series NCIS, joining the cast in 2021 as Special Agent Jessica Knight. Her character, a confident and capable former REACT agent, quickly integrated into the team led by Mark Harmon and later Gary Cole, and Law’s performance has been central to the show’s continued success in its later seasons. Across these roles, Katrina Law has proven herself a reliable and dynamic actress, capable of moving seamlessly between action-packed epics, superhero lore, and crime dramas, solidifying her status as a staple of modern television.