is a Japanese actor.
Osawa starred in the 2002 film Filament and the 2007 film Midnight Eagle. He has also appeared in films such as Masayuki Suo's A Terminal Trust and Takashi Miike's Shield of Straw.
The Newport Beach Film Festival in Newport Beach, CA, screened Osawa's film Wolf Children on April 27, 2013.
In mid-2018, he is playing the Kralahome in the West End revival of The King and I.