Professor Robert Callaghan — Big Hero 6 Character Profile

About Professor Robert Callaghan

Tadashi's mentor and a university professor who fakes his death using stolen microbots. He adopts the masked identity of Yokai to seek revenge on Alistair Krei, believing Krei caused his daughter's disappearance and death in a teleportation experiment.

Character Facts

Played by

James Cromwell

Appears in

Big Hero 6 (2014)

Role

Supporting

Relationships (6)

• Professor Robert Callaghan — Professional Former Mentor — Hiro Hamada (Ryan Potter)

  Academic relationship that turns adversarial.

• Professor Robert Callaghan — Conflict Target — Baymax (Scott Adsit)

  Baymax is weaponized against Callaghan.

• Professor Robert Callaghan — Conflict Enemy — Alistair Krei (Alan Tudyk)

  Villainous target seeking corporate destruction.

• Professor Robert Callaghan — Conflict Suspect — Fred (T.J. Miller)

  Initial misdirection in the investigation.

• Professor Robert Callaghan — Conflict Suspect — Wasabi (Damon Wayans Jr.)

  Part of the team pursuing the false lead.

• Professor Robert Callaghan — Conflict Suspect — Honey Lemon (Genesis Rodriguez)

  Part of the team pursuing the false lead.

Explore the full interactive character relationship map of Big Hero 6

More characters from Big Hero 6

• Baymax (Scott Adsit)
• Hiro Hamada (Ryan Potter)
• Tadashi Hamada (Daniel Henney)
• Fred (T.J. Miller)
• General (voice) (Abraham Benrubi)
• GoGo Tomago (Jamie Chung)
• Wasabi (Damon Wayans Jr.)
• Desk Sergeant (voice) (Daniel Gerson)
• Yokai (voice) (Charlie Adler)
• Additional Voice (voice) (Nicholas Guest)
• Additional Voices (voice) (Marcella Lentz-Pope)
• Additional Voice (voice) (Cam Clarke)