Jeff Fowler Director, Executive Producer Jim Carrey Ivo Robotnik, Gerald Robotnik Actor Ben Schwartz Sonic Voice James Marsden Tom Actor Tika Sumpter Maddie Actor Idris Elba Knuckles Voice Keanu Reeves Shadow Voice Krysten Ritter Director Rockwell Actor Lee Majdoub Agent Stone Actor Natasha Rothwell Rachel Actor Adam Pally Wade Actor Shemar Moore Randall Actor Colleen O'Shaughnessey Tails Voice Alyla Browne Maria Actor James Wolk Young Walters Voice Tom Butler Commander Walters Actor Sofia Pernas Gabriella Actor Cristo Fernández Pablo, Juan Actor Jorma Taccone Kyle Lancebottom Actor Pat Casey Screenwriter Josh Miller Screenwriter John Whittington Screenwriter Neal H. Moritz Producer Toby Ascher Producer Toru Nakahara Producer Hitoshi Okuno Producer Haruki Satomi Executive Producer Shuji Utsumi Executive Producer Yukio Sugino Executive Producer Tommy Gormley Executive Producer Tim Miller Executive Producer Brandon Trost Cinematographer Al LeVine Film Editing Junkie XL Original Music Luke Freeborn Production Design Claire Fleming Art Director Laura Miller Art Director Eleanor Baker Costume Design Sophie Holland Casting