Venice, Sept. 1 -- Hollywood star Jude Law revealed that he immersed himself deeply into the persona of Russian President Vladimir Putin while preparing for his upcoming role as the leader.

British actor Jude Law told yesterday how he became an "obsessive" viewer of Vladimir Putin in preparation for his role as the Russian president in his new movie "The Wizard of the Kremlin" that will open later at the Venice Film Festival.

Law, 52, closely resembles Putin, mimicking his scowl and unique swagger in the movie by French filmmaker Olivier Assayas, which tells the story of the former spy's ascension.

"There's a lot of footage one could watch and, personally, when I start going down that rabbit hole, it becomes sort of obsessive," he told j...