Ben Schwartz as Sonic (voice)

James Marsden as Tom Wachowski

Tika Sumpter as Maddie Wachowski

Colleen O'Shaughnessey as Tails (voice)

Idris Elba as Knuckles (voice)

Jim Carrey as Dr. Robotnik

Natasha Rothwell as Rachel

Adam Pally as Wade Whipple

Shemar Moore as Randall

Lee Majdoub as Agent Stone

Melody Nosipho Niemann as Jojo

Tom Butler as Commander Walters

Brad Kalilimoku as Drench

Krista Alvarez as Faucet

Donna Jay Fulks as Longclaw (voice)

Scott Patey as Armored Truck Security Guard

Leif Havdale as Bank Robber

Johnson Phan as Bank Robber

Colby Chartrand as Bank Robber

Kevin Fortin as Bank Robber

Jeff Sanca as Armored Truck Driver

Sook Hexamer as Elderly Woman

Maria Ameerali as Shopper

Kyle Riefsnyder as Camper

Parker Rowell-Laferriere as Ice Cream Child

Tammy Nera as Pedestrian

Gerald Paetz as Police Driver

Corry Glass as Police Driver

David Jacox as Police Driver

Mike Mitchell as Police Driver

Heath Stevenson as Police Driver

Doug Chapman as Police Driver

Rhys Williams as Scavenger

Nilo Ghajar as Scavenger

Don Lew as Scavenger

Elizabeth Bowen as Tatiana

Vladimir Ruzich as Russian Giant Bully

Shay Kuebler as Russian Dancer

Keiran Bohay as Russian Dancer

Kevin Mylrea as Russian Dancer

Jared Khalifa as Russian Dancer

Aiden Cass as Russian Dancer

Andrew Kyrzyk as Russian Dancer

Stanislav Galimkhanov as Russian Dancer

Shaun Magee as Tavern Menacing Card Player

Alex Bogomolov as Tavern Menacing Card Player

Shawn Stewart as Tavern Menacing Card Player

Barry Nerling as Tavern Tattooed Knuckle Cracker

Simon Chin as Tavern Fish Butcher

Vladimir Raiman as Tavern Bartender

Yvetta Fisher as Tavern Knitting Woman

Adrian Hein as Tack

Jess Lundgren as Wisco

Steve Chang as Grommet

Ted Barba as Priest

Brennan Dyson as Randall's Brother

Saida Dyson as Bridesmaid

Katie Wright Pere as Bridesmaid

Ha'a Keaulana as Bridesmaid

Quinn Early as Rachel's Father

Cheryl Lewis as Rachel's Mother

Angela Meryl as Rachel's Aunt

Ashlei Tave as Rachel's Cousin

Mariah Dyson as Randall's Family

Tavita Woodard as Randall's Family

Ernie Jackson as G.U.N. Soldier

Rob 'Sluggo' Boyce as G.U.N. Soldier

Robert Zen Humpage as G.U.N. Soldier

Fraser Corbett as G.U.N. Soldier

Marcus Aurelio as G.U.N. Soldier

Jason Triplett as G.U.N. Agent

Eli Olson as G.U.N. Agent

Mike Rufino as G.U.N. Agent

Nito Larioza as G.U.N. Agent

Chad Keaulana as G.U.N. Agent

Sarah Surh as G.U.N Mean Bean Agent

Paul Lazenby as Mean Bean Trucker