On screen
Cast
13 credited performers
Ben Schwartz
Sonic (voice)
Jim Carrey
Ivo Robotnik
Kristen Bell
Amy Rose (voice)
Idris Elba
Knuckles (voice)
Keanu Reeves
Shadow (voice)
James Marsden
Tom Wachowski
Tika Sumpter
Maddie Wachowski
Ben Kingsley
(voice)
Matt Berry
Character not listed
Colleen O'Shaughnessey
Tails (voice)
Lee Majdoub
Agent Stone
Nick Offerman
(voice)
Richard Ayoade
Character not listed