which American actor and martial artist.features in Big Hero 6
Ryan Potter Ryan Potter (born September 12, 1995) is an American actor and martial artist. Beginning his career as a professional actor at the age of 15, Potter is perhaps best known for his starring role as Mike Fukanaga in "Supah Ninjas" and for voicing Hiro Hamada in "Big Hero 6" (2014).
Roger Yuan Roger Winston Yuan (born January 25, 1961) is an American Actor, martial arts fight trainer, action coordinator who trained many actors and actresses in many Hollywood films. As an actor himself, he also appeared in "Shanghai Noon" (2000) opposite Jackie Chan, "Bulletproof Monk" (2003) alongside Chow Yun-fat, the technician in "Batman Begins" (2005), and as the Severine's bodyguard in "Skyfall" (2012). He is a well-recognized choreographer in Hollywood.