Wonderland is a 2003 American crime and drama film co-written and directed by James Cox, and based on the real-life Wonderland Murders that occurred in 1981. The film stars Val Kilmer, Kate Bosworth, Lisa Kudrow, Dylan McDermott, Josh Lucas, Christina Applegate, and Tim Blake Nelson. Kilmer plays the role of John Holmes, the pornographic film star, a suspected accomplice in four grisly murders committed in an apartment on Wonderland Avenue in the Laurel Canyon section of Los Angeles.