The Singing Detective

The Singing Detective is a 2003 American musical crime comedy film directed by Keith Gordon and loosely based on the BBC serial of the same name, a work by British writer Dennis Potter. It stars Robert Downey Jr. and features a supporting cast that includes Katie Holmes, Adrien Brody, Robin Wright Penn, Mel Gibson, Jeremy Northam and Carla Gugino as well as a number of songs from the 1950s.