Katherine Waterston stars in the series The Third Day, a psychological thriller set on a mysterious island off the British coast. The show follows the story of Sam, played by Jude Law, who becomes entangled in the island's dark secrets. Waterston plays the role of Jess, a charismatic and enigmatic woman who holds key information about the island. The Third Day is known for its atmospheric setting and gripping storyline, keeping viewers on the edge of their seats. Katherine Waterston's performance adds an extra layer of intrigue to the series, with her portrayal of Jess leaving audiences guessing about her true intentions. The Third Day is a must-watch for fans of psychological thrillers and Waterston's performance is a standout.