DS James Hathaway is a fictional character from the British television series Lewis, which is a spin-off of the long-running series Morse. He serves as the loyal and intelligent detective sergeant to the main character, Detective Inspector Robert Lewis. Hathaway is known for his sharp analytical skills and deep understanding of human behavior, often providing valuable insights during investigations. Hathaway is portrayed by actor Laurence Fox and is characterized by his complex personality, which includes a background in theology. His character often grapples with moral dilemmas, adding depth to the show's narrative. Together with Lewis, he solves various murder cases set in the picturesque backdrop of Oxford.