is a Japanese

Japanese people

The are an ethnic group originating in the Japanese archipelago and are the predominant ethnic group of Japan. Worldwide, approximately 130 million people are of Japanese descent; of these, approximately 127 million are residents of Japan. People of Japanese ancestry who live in other countries...

 actor

Actor

An actor is a person who acts in a dramatic production and who works in film, television, theatre, or radio in that capacity...

.
Sanada was born in Tokyo

Tokyo

, ; officially , is one of the 47 prefectures of Japan. Tokyo is the capital of Japan, the center of the Greater Tokyo Area, and the largest metropolitan area of Japan. It is the seat of the Japanese government and the Imperial Palace, and the home of the Japanese Imperial Family...

. Originally aiming to be an action star, starting with shorinji kempo

Shorinji Kempo

was established by as a system for self-improvement and training in Japan in 1947 based on Shaolin kungfu ....

, he eventually took up Kyokushin kaikan Sanada began training at age 11 with actor and martial arts star Sonny Chiba

Sonny Chiba

, also known as Sonny Chiba, is a Japanese actor, singer, film producer, film director and martial artist.Chiba was one of the first actors to achieve stardom through his skills in martial arts, initially in Japan and later before an international audience.- Early life :Born in Fukuoka, Fukuoka,...

's Japan Action Club where he developed good all-round martial arts

Martial arts

Martial arts are extensive systems of codified practices and traditions of combat, practiced for a variety of reasons, including self-defense, competition, physical health and fitness, as well as mental and spiritual development....

 ability, and soon became Chiba's protege. Sanada's martial arts film career led him in contact with Michelle Yeoh

Michelle Yeoh

Michelle Yeoh Choo-Kheng is a Hong Kong-based Malaysian Chinese actress, well known for performing her own stunts in the action films that brought her to fame in the early 1990s....

, whom he later starred with in Danny Boyle

Danny Boyle

Daniel "Danny" Boyle is an English filmmaker and producer. He is best known for his work on films such as Slumdog Millionaire, 127 Hours, 28 Days Later, Sunshine and Trainspotting. For Slumdog Millionaire, Boyle won numerous awards in 2008, including the Academy Award for Best Director...

's Sunshine

Sunshine (2007 film)

Sunshine is a 2007 British science fiction film directed by Danny Boyle and written by Alex Garland about the crew of a spacecraft on a dangerous mission to the Sun. In 2057, with the Earth in peril from the dying Sun, the crew is sent to reignite the Sun with a massive stellar bomb with the mass...

.