Diamond Yukai is a rock singer and actor. He was born in Tanashi, Tokyo, Japan. He is the vocalist for the long term existing Japanese rock band Red Warriors.
He appeared in the following movies:
Tokyo Pop (1988) in role of Hiro as partner of Carrie Hamilton (Wendy)
Toy Story (1995) singing the Japanese version of "You've Got a Friend in Me"
Non-Stop/Dangan Runner (1996) - somewhat inspired by Run Lola Run
Lost in Translation (2003)
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