* [[T. J. Miller]] ''berperan sebagai'' [[Fredzilla|Fred]]<ref>{{cite web|last=Stradling|first=Morgan|title=Comedian TJ Miller is First Voice Actor Announced for Disney’s ‘Big Hero 6′ – He’s Voicing Fred!|url=http://www.rotoscopers.com/2014/03/27/comedian-tj-miller-is-first-voice-actor-announced-for-disneys-big-hero-6/|publisher=Rotoscopers|accessdate=March 28, 2014|date=March 27, 2014}}</ref>
* Scott Adsit sebagai Baymax
* [[Jamie Chung]] ''berperan sebagai'' [[GoGo Tomago]]<ref>{{cite web|title=Jamie Chung Next to Not Be Announced for ‘Big Hero 6′|url=http://www.stitchkingdom.com/disney-jamie-chung-announced-big-hero-6-70660/|publisher=Stitch Kingdom|accessdate=April 28, 2014|date=April 28, 2014}}</ref><ref name=WRAPRudolph>{{cite web|last=Sneider|first=Jeff|title=Disney's ‘Big Hero 6' Adds Maya Rudolph to Top-Secret Voice Cast (Exclusive)|url=http://www.thewrap.com/disneys-big-hero-6-adds-maya-rudolph-top-secret-voice-cast-exclusive/|publisher=The Wrap|accessdate=April 28, 2014|date=April 28, 2014}}</ref>
