Wonderland is a 2003 American crime 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, Dylan McDermott, Carrie Fisher, Lisa Kudrow, Josh Lucas, Christina Applegate, Tim Blake Nelson, and Janeane Garofalo. Kilmer plays the role of John Holmes, a pornographic film star and suspected accomplice in four grisly murders committed in an apartment on Wonderland Avenue, in the Laurel Canyon section of Los Angeles.