1. 'Sonic the Hedgehog 4' Cast: Keanu Reeves, Idris Elba Returning  Variety
2. Sonic the Hedgehog 4 Film Reveals Full Cast of New and Returning Actors  Crunchyroll
3. Sonic the Hedgehog 4 Teaser Trailer Confirms Jim Carrey's Return as Dr. Robotnik  IGN
4. Great News: ‘Sonic 4’ Has Chaos Emeralds and Matt Berry  Gizmodo
5. "Sonic the Hedgehog 4" Full Cast & Teaser  Dark Horizons
6. Jim Carrey Is Back For Sonic The Hedgehog 4, With Big Stars In Tow  GameSpot
7. Sonic The Hedgehog 4's Full Movie Cast List Has Been Revealed  Nintendo Life
8. 'Sonic the Hedgehog 4' will be a 'Parks and Recreation' reunion  USA Today
9. Sonic The Hedgehog 4 Officially Brings Back Jim Carrey And Keanu Reeves Alongside Newcomers Ben Kingsley And Nick Offerman  Game Informer
10. The Sonic 4 Teaser May Be Hinting At A Classic Villain, But Does It Need It?  Kotaku

Thu, 19th March 2026

Sonic the Hedgehog 4 film gets first official teaser  KitGuru Fri, 20th March 2026

The mystery title of "Sonic the Hedgehog 4" has been revealed and it'll break at least 3 hearts  Polygon.com Thu, 19th March 2026

Sonic The Hedgehog 4 Movie Unveils Star-Studded Cast  Evrim Ağacı Fri, 20th March 2026

Richard Ayoade and Matt Berry cast in Sonic The Hedgehog 4  British Comedy Guide Thu, 19th March 2026

Sonic the Hedgehog 4 movie cast now includes Ben Kingsley, Nick Offerman, Matt Berry, Richard Ayoade  Nintendo Wire Thu, 19th March 2026