Big Hero 6 is a musical comedy adventure film. A Walt Disney Pictures production, the film is a live-action remake of Disney's Big Hero 6. The music is rewritten by Alan Menken. The Song Music is written by Menken and Tim Rice.
- Stanley Tucci as Hiro Hamada (The protagonist)
- Kevin Kline as Tadashi Hamada (The hidden secondary antagonist)
- Emma Watson as Honey Lemon (One of the four tritagonists)
- Ian McKellen as Fred (One of the four tritagonists)
- Maya Rudolphas GoGo (One of the four tritagonists)
- Dan Stevens as Wasabi (One of the four tritagonists)
- Luke Evans as Professor Robert Callaghan (The hidden main antagonist)
- Josh Gad as Alistair Krei (The tertiary antagonist)
- Emma Thompson as Aunt Cass (A minor character)
- Dwayne Johnson as Mr. Yama (The fourth antagonist)
- Idris Elba as Yokai (motion-capture) (The main antagonist)
- "Prolouge: This is Me (To the tune of MicroBot Ceremony)" - Stanley Tucci. Music by Tim Rice
- "Wrestling Song" - Tucci, Dwayne Johnson and Kevin Kline. Music by Alan Menken and Tim Rice.
- "Nerd School Song" - Tucci and Kline. Music by Alan Menken and Tim Rice.
- "MicroBot Ceremony" - Tucci, Emma Watson, Maya Rudolph, Ian McKellen, Dan Stevens, Luke Evans, Kline, Josh Gad and Emma Thompson. Music by Tim Rice.
- "The Baymax Song" - Tucci and Ewan McGregor. Music by Tim Rice
- "You are Dead (Reprise of MicroBot Ceremony)" - Evans. Music by Alan Menken
- "Welcome to my Masion" - McKellen. Music by Alan Menken and Tim Rice.
- "Flying" - McGregor and Tucci. Music by Tim Rice.
- "Hello" - Kline. Music by Alan Menken.
- "Epilouge: MicroBot Ceremony, The Baymax Song and Flying" - Tim Rice
- Alistair: Gets defeated by Baymax before he and Hiro get sucked into the portal and dies in a fire.
- Tadashi: Runs far into the school and is seen as a shadow. He falls into a fire and gets crushed by a heap of the School.
- Yokai: Gets unmasked by Baymax who steals his mask and turns into Robert Callaghan's body.
- Robert Callaghan: During Hiro and Robert's final fight, Robert looses his balance and falls into a fire, is bunt and dies.