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.
Ben Schwartz
as Sonic (voice)
Jim Carrey
as Dr. Robotnik / Gerald Robotnik
Keanu Reeves
as Shadow (voice)
Idris Elba
as Knuckles (voice)
Colleen O'Shaughnessey
as Tails (voice)
Krysten Ritter
as Director Rockwell
James Marsden
as Tom Wachowski
Tika Sumpter
as Maddie Wachowski
Alyla Browne
as Maria Robotnik
Lee Majdoub
as Agent Stone
Natasha Rothwell
as Rachel
Shemar Moore
as Randall
