<Li> Ryan Potter as Hiro Hamada , a 14 - year - old robotics prodigy whose brother Tadashi Hamada was killed in an explosion at the San Fransokyo Institute of Technology ( SFIT ) and member of Big Hero 6 . </Li>
<Li> Ryan Potter as Hiro Hamada , a 14 - year - old robotics prodigy whose brother Tadashi Hamada was killed in an explosion at the San Fransokyo Institute of Technology ( SFIT ) and member of Big Hero 6 . </Li>
who is the voice of hero in big hero 6
who is the voice of hero in big hero 6
Ryan Potter
Ryan Potter