Katrina Law

Intro

Katrina Law is an American actress known for Mira in Spartacus, Nyssa al Ghul in Arrow and Jessica Knight in NCIS. She also played Quinn Liu in the final season of the modern Hawaii Five-0 and has led several Hallmark films. The career moves between action, crime drama and romance, giving viewers useful comparisons beyond any one familiar character.

Career snapshot

Born in Philadelphia and raised in South Jersey, Law trained in dance and studied theatre at the Richard Stockton College of New Jersey. Hallmark’s biography describes her stage work in Twelfth Night and Blood Wedding, as well as her early television appearance in Third Watch. Those credits provide a foundation for the later screen work without reducing the performances to a single kind of training.

The entry point

NCIS introduced Law’s Special Agent Jessica Knight in the season 18 episode Blown Away, broadcast on May 18, 2021. The episode brings her into the investigation after an explosion kills members of her REACT team. Although NCIS began in 2003, that is not Law’s joining date. Distinguishing the series premiere from the character’s arrival is essential when following a long-running ensemble.

Screen identity and style

Watch Knight’s early scenes with attention to how a new colleague enters an established group. Professional competence, grief and unfamiliar relationships can occupy the same exchange. That is a viewing prompt rather than a summary of every later storyline. It also offers a practical comparison with Law’s roles in other ensembles, where the audience may already understand the world before her character appears.

Collaborations and patterns

Before NCIS, Law played Mira in Spartacus: Blood and Sand and Spartacus: Vengeance, and became a recurring presence as Nyssa al Ghul in Arrow. Hallmark’s career biography also identifies Quinn Liu in the final season of Hawaii Five-0 and a crossover appearance in Magnum P.I. These are separate roles and productions; a familiar action setting does not make the characters interchangeable.

Era reflection

The Hallmark films offer another route through her work. In Snow Bride, Law plays Greta Kaine, a reporter chasing a holiday story; in 12 Gifts of Christmas, she plays Anna. Compare a romantic film’s emphasis on changing impressions with the questions of trust in an action ensemble. The stakes and tone differ, but in either setting the audience needs to understand what one person thinks of another.

Legacy and rediscovery

Law’s career can be explored through a deliberately varied selection: an early Jessica Knight episode, an Arrow appearance and a Hallmark film. Her CBS biography also records work in The Oath and independent features, while noting her music with Soundboard Fiction. This page presents selected milestones, not a claim to every credit. The portrait shows a 2017 convention appearance, independently of the gallery’s production dates.

A career in pictures

Selected career milestones. Years identify the production or labeled milestone; recurring actors may join a series later. Artwork represents the production and may show other cast members. Select an image for a larger view.

Rewatch notes

• Jessica Knight first appears in NCIS in the 2021 episode Blown Away.
• Law plays Nyssa al Ghul in Arrow.
• Her Hallmark roles include Greta Kaine in Snow Bride and Anna in 12 Gifts of Christmas.

Career highlights

Spartacus (2010) as Mira in Blood and Sand and Vengeance
Production artwork; years identify the work, not necessarily the first year of the actor’s participation.

Arrow (2012) as Nyssa al Ghul
Production artwork; years identify the work, not necessarily the first year of the actor’s participation.

NCIS (2003) as Jessica Knight; introduced in 2021
Production artwork; years identify the work, not necessarily the first year of the actor’s participation.