A.J. LoCascio
voices Gizmo
Izaac Wang
voices Sam Wing
Ming-Na Wen
voices Fong Wing
George Takei
voices Noggin
James Hong
voices Grandpa
Matthew Rhys
voices Riley Greene
Yael Grobglas
voices Margot
A.J. LoCascio
voices Evil Mogwai
Calvin Shen
voices Radish
B.D. Wong
voices Spectral Conductor
A.J. LoCascio
voices Snout Jr.
A.J. LoCascio
voices Bucky
Haviland Morris
voices Theodora
Will Forte
voices Warden
Keone Young
voices Boss Chang
Ming-Na Wen
voices May Lee
Yvette Nicole Brown
voices Mayor Hanson
Keith David
voices Bass Reeves
B.D. Wong
voices Ratcatcher
A.J. LoCascio
voices Gaptooth
Randall Park
voices Yao/Odd-Odd
Ming-Na Wen
voices Yin
A.J. LoCascio
voices Acid Mogwai
A.J. LoCascio
voices Clam
Gabrielle Nevaeh Green
voices Urchin
Ming-Na Wen
voices Opera Singer
Ronny Chieng
voices Big Big
James Hong
voices Wing Medicine Customer
Bowen Yang
voices Sailor #1
Jimmy O. Yang
voices Little Big
A.J. LoCascio
voices Guard
Simu Liu
voices Crewmember #1
Yael Grobglas
voices Teacher
John Glover
voices Rodney
Laraine Newman
voices Lady Clamp
Timothy Olyphant
voices Johnny Appleseed