Lauren Castle is a character in the novel Final Destination: Destination Zero. She is the pregnant wife of Jim Castle and a lawyer in Los Angeles. Getting ready for work, Lauren and Jim discuss with each other about the lawsuit she was currently aside to, one that she knew wasn't going to win. As she was about to ask him about a studio, Jim's cellphone began to ring, and his boss Tony Chang informed him of a train bombing that occured not too long ago. Both of them told the other they loved each other before Jim left the house. She later appeared at St. Joseph's hospital in order to see Patti Fuller after she overdosed on anesthesia.