Scott Adsit
Baymax (voice)

Ryan Potter
Hiro Hamada (voice)

Daniel Henney
Tadashi Hamada (voice)

T.J. Miller
Fred (voice)

Jamie Chung
GoGo Tomago (voice)

Damon Wayans Jr.
Wasabi (voice)

Genesis Rodriguez
Honey Lemon (voice)

James Cromwell
Professor Robert Callaghan (voice)

Alan Tudyk
Alistair Krei (voice)

Maya Rudolph
Aunt Cass (voice)

Abraham Benrubi
General (voice)

Katie Lowes
Abigail (voice)

Billy Bush
Newscaster (voice)

Daniel Gerson
Desk Sergeant (voice)

Paul Briggs
Yama (voice)

Charlie Adler
Yokai (voice)

Marcella Lentz-Pope
Additional Voices (voice)

David Shaughnessy
Heathcliff (voice)

Cam Clarke
Additional Voice (voice)

Nicholas Guest
Additional Voice (voice)

Terri Douglas
Additional Voice (voice)

Tim Mertens
Additional Voice (voice)

Yuri Lowenthal
Additional Voice (voice)

Sundra Oakley
Additional Voice (voice)

Brian R. Norris
Additional Voice (voice)

Stan Lee
Fred's Dad (voice)

Shane Sweet
Additional Voice (voice)

Frank Welker
Mochi (voice) (uncredited)

David Cowgill
Additional Voice (voice)

Kirk Baily
Additional Voice (voice)

Charlotte Gulezian
Ringleader (voice)

Reed Buck
Additional Voice (voice)

Roy Conli
Additional Voice (voice)

Jackie Gonneau
Additional Voice (voice)

Marlie Crisafulli
Additional Voice (voice)

Bridget Hoffman
Additional Voice (voice)

Kelly Hoover
Additional Voice (voice)

Leah Latham
Additional Voice (voice)

James Taku Leung
Additional Voice (voice)

Yumi Mizui
Additional Voice (voice)

Michael Powers
Additional Voice (voice)

Josie Trinidad
Additional Voice (voice)

Daniel Howell
Male Technician #1 (voice) (uncredited)

June Christopher
Additional Voices (voice)

Phil Lester
Male Technician #1 (voice) (uncredited)