Brothers of the Head

Brothers of the Head is a 2005 mockumentary featuring the story of Tom and Barry Howe Harry and Luke Treadaway respectively, conjoined twins living in the United Kingdom. It was based on the 1977 novel of the same name by science fiction writer Brian Aldiss.

Brian Aldiss, the writer of the original novel, filmed a cameo, however it was cut out and replaced by an actor portraying him. Deleted scenes make it clear that in the continuity of the film, Aldiss based his novel on a real life case. In the backstory of the action, Ken Russell who appears in the film as himself and makes references to his previous rock and rollbased film, Tommy, had attempted to make his own uncompleted film version of the true story.ExCrackout members Steven Eagles, Nicholas Millard and Jack Dunkley also have cameos. They also provided the soundtrack to the movie. ........

Source: Wikipedia