Sonic, Knuckles, and Tails reunite against a powerful new adversary, Shadow, a mysterious villain with powers unlike anything they have faced before. With their abilities outmatched in every way, Team Sonic must seek out an unlikely alliance in hopes of stopping Shadow and protecting the planet.
Jim Carrey
as Ivo Robotnik / Gerald Robotnik
Ben Schwartz
as Sonic (voice)
Keanu Reeves
as Shadow (voice)
Idris Elba
as Knuckles (voice)
Colleen O'Shaughnessey
as Tails (voice)
James Marsden
as Tom
Tika Sumpter
as Maddie
Lee Majdoub
as Agent Stone
Krysten Ritter
as Director Rockwell
Adam Pally
as Wade
Natasha Rothwell
as Rachel
Shemar Moore
as Randall
