Lilly Rush is a fictional character from the television series Cold Case, which aired from 2003 to 2010. She is portrayed by actress Kathryn Morris and serves as a detective in the Philadelphia Police Department. Lilly specializes in solving cold cases, which are unsolved criminal cases that have remained open for a long time. Her character is known for her strong dedication to justice and her empathetic approach to victims' families. Throughout the series, Lilly often collaborates with her team, including Detective Scotty Valens, played by Danny Pino. The show highlights her investigative skills as she revisits old evidence and interviews witnesses, aiming to bring closure to unresolved cases. Lilly's character is celebrated for her resilience and commitment to uncovering the truth.