(news.sawf.org) - Movie industry daily Variety reported that rights to a book about Litvinenko's death in London last year have been scooped up by studio giants Warner Bros for Depp's production company to develop.
Depp, the star of "Pirates of the Caribbean" and "Charlie and the Chocolate Factory", has been following the Litvinenko intrigue closely and could end up starring in the film, the report said.
A book on Litvinenko's death is be written by Alan Cowell, a journalist at The New York Times, Variety reported.
Litvinenko, an outspoken Kremlin critic, died in a London hospital in November from radiation poisoning after apparently accusing Russian President Vladimir Putin of involvement in his murder.
Police in Britain and Russia are investigating the death.