| Jaleel White | <-> | Sonic Hedgehog, Sonia Hedgehog, Manic Hedgehog, The Royal 'Corrupt' Hedgehog |
| Gail Webster | <-> | Queen Aleena |
| Gary Chalk | <-> | Dr Robotnik, Good Robotnik |
| Maurice LaMarche | <-> | Sleet, Great Grandfather Athair, Additional Voices |
| Peter Wilds | <-> | Dingo |
| Ian James Corlett | <-> | Cyrus, Knuckles Echinda, Additional Voices |
| Matt Hill | <-> | Additional Voices |
| Phil Hayes | <-> | Sir Bartleby MonClaire, Additional Voices |
| Terry Klassen | <-> | Additional Voices |
| Kathleen Barr | <-> | Additional Voices |
| Brian Drummond | <-> | Strips, Additional Voices |
| Rob Paulsen | <-> | Additional Voices |
| Frank Welker | <-> | Additional Voices |
| Samuel Vincent | <-> | Sonic Hedgehog - Singing Only |
| Louise Vallance | <-> | Sonia Hedgehog - Singing Only |
| Tyley Ross | <-> | Manic Hedgehog - Singing Only |
| Blue Mankuma | <-> | Additional Voices |
| Tabitha St.Germain | <-> | Additional Voices |
| Merrilyn Gann | <-> | Additional Voices |
| Adrian Hughes | <-> | Additional Voices |
| Cusse Mankum | <-> | Additional Voices |
| Lee Tockar | <-> | Additional Voices |
| Pat Allee | <-> | Writer |
| Eleanor Burian-Mohr | <-> | Writer |
| Ben Hurst | <-> | Writer |
| Terence Taylor | <-> | Writer |
| Len Janson | <-> | Writer |
| Mark Edens | <-> | Writer |
| Laren Bright | <-> | Writer |
| William A. Ruiz | <-> | Script Assistant |
| Michael Walsh | <-> | Script Assistant |
| Ben Hurst | <-> | Story Editor |
| Pat Allee | <-> | Story Editor |
| Michael Edens | <-> | Story Editor |
| Andy Heyward | <-> | Executive Producer, Creative Supervisor |
| Michael Maliani | <-> | Executive Producer, Creative Supervisor |
| Robby London | <-> | Executive Producer |
| Doug Booth | <-> | Story Editor |
| Janice Sonski | <-> | Senior Producer |
| Phil Harnage | <-> | Development Consultant |
| Marc Boreal | <-> | Director |
| Francois Hemmen | <-> | Director |
| Daniel Sarriet | <-> | Director |
| Jane Thompson | <-> | Creative Consultant |
| Cynthia Wilkes | <-> | Creative Consultant |
| Daniel Schwall | <-> | Executive in charge of production- Les Studios Tex S.A.R.L. |
| Stacey Gallishaw | <-> | Executive in charge of production |
| Emily Wensel | <-> | Production Supervisor |
| Shannon Nettleton | <-> | Associate Producer |
| Cary Biren | <-> | Production Coordinator |
| Jennifer Cheng | <-> | Production Coordinator |
| William C. Turner | <-> | Production Coordinator |
| Claire Farges | <-> | Production Coordinator |
| Richard Wolf | <-> | Production Coordinator |
| Belen Ramirez | <-> | Production Coordinator |
| Lynn McLaughlin | <-> | Assistant to Executive Producers |
| Chris Ivy Miller | <-> | Assistant to Executive Producers |
| Pam Vincent | <-> | Assistant to Executive Producers |
| Michel Trouillet | <-> | Voice Director |
| Renee Toporzysek | <-> | Director of Research |
| Jay Bryant | <-> | Research Assistant |
| Annie Amar | <-> | Production Controller |
| Kathy Wong | <-> | Production Controller |
| Digit 352 | <-> | Pre-production Services |
| Stephan Roelants | <-> | Production Manager |
| David Degrands | <-> | Art Director |
| Laurence Gavroy | <-> | Color Designs |
| Pascal Gerard | <-> | Color Designs |
| Valerie Willem | <-> | Color Designs |
| David Cantero | <-> | Model Design |
| Steffan Dutoo | <-> | Model Design |
| Pascal Haillot | <-> | Model Design |
| Antonio Canobblo | <-> | Model Design |
| Pierre Gadisseur | <-> | Model Design |
| Gilles Rudziak | <-> | Model Design |
| Remy Brenot | <-> | Storyboard Artist |
| Tom Findrick | <-> | Storyboard Artist |
| Monica Matten | <-> | Storyboard Artist |
| Eteinne Wilem | <-> | Storyboard Artist |
| Jean-Mathias Xavier | <-> | Storyboard Artist |
| Arles Animation | <-> | Layout Services |
| Talia Achour | <-> | Layouts |
| Thomas Allart | <-> | Layouts |
| Helene Barbaroux | <-> | Layouts |
| Jeremie Bonachera | <-> | Layouts |
| Florence Demaret | <-> | Layouts |
| Robert Gheyssens | <-> | Layouts |
| Laurence Liconnet | <-> | Layouts |
| Theirry Nicouleau | <-> | Layouts |
| Sil Potter | <-> | Layouts |
| Theirry Sauvage | <-> | Layouts |
| Bruno Vacaro | <-> | Layouts |
| Francois Vataux | <-> | Layouts |
| Alain Besson | <-> | Layouts |
| Jean Michel Bonnet | <-> | Layouts |
| Jean Herbert Faussat | <-> | Layouts |
| Stephane Hamon | <-> | Layouts |
| Claudy Monfort | <-> | Layouts |
| Jean Palenstijin | <-> | Layouts |
| Francis Sapin | <-> | Layouts |
| Michael Tognotti | <-> | Layouts |
| Yann Valeani | <-> | Layouts |
| Nicolas Viegelot | <-> | Layouts |
| My Chatterton | <-> | Storyboard Slugging |
| Isao Nago | <-> | Sheet Timer |
| Mike Stribling | <-> | Sheet Timer |
| Les Studios De Saint-Ouen | <-> | Video and Audio Post Production |
| Gregory Bowron | <-> | Artistic Director |
| Nadia Ameziane | <-> | Post Production Supervisor |
| Pascal Gaugry | <-> | Video Editor |
| Carine Manicastri | <-> | Video Editor |
| Karyn Ulman | <-> | Music Supervisor |
| Alain Feat | <-> | Music and Sound Editor |
| Charles Autran | <-> | Music and Sound Editor |
| Patrick Beraud | <-> | Music and Sound Editor |
| Anne-Cecile Vergnaud | <-> | Music and Sound Editor |
| Armelle Mahe | <-> | Music and Sound Editor |
| Barbara Bascou | <-> | Music and Sound Editor |
| Pascale Langiert | <-> | Assistant Sound Editor |
| Francois Colin | <-> | Mixer |
| William Schmit | <-> | Mixer |
| Philippe Amouroux | <-> | Mixer |
| Studios de Saint-Ouen | <-> | Auditorium |
| Tele Europe | <-> | Color Grading |
| Hong Ying Animation Company Limited | <-> | Animation Producer |
| Milimetros, S.A. (Madrid-Spain) | <-> | Main Title Animation |
| Jean Cheville | <-> | Auteur |