Kiss Kiss Bang Bang

Kiss Kiss Bang Bang is a movie starring Robert Downey Jr., Val Kilmer, and Michelle Monaghan. A murder mystery brings together a private eye, a struggling actress, and a thief masquerading as an actor.
A petty thief posing as an actor is brought to Los Angeles for an unlikely audition and finds himself in the middle of a murder investigation along with his high school dream girl and a detective who's been training him for his upcoming role...