Johnny Test

Scott Fellows

Eryk Casemiro

Richard Gitelson

James Arnold Taylor

Johnny Test, Dark Vegan, Hank Anchorman, Announcer, Lead Scientist, Lead Technician, Mr. Mittens, Animatronic T-Rex, Another Local, Baby-Bot, Carl, Catcher, Dog Walking Man, Foreman, Hoops McGee, Johnnysarus Rex, Kid, Kid 3, Limbo Driver, Monkey Mash, Monster, Mustache Cop, Señor Crabo, Stuffy Englishman, Testivus, Top Scientist, Voice Over

Trevor Devall

Dukey, Mr. Teacherman, Barker, Bicyclist, Butler, Centurion 2, Coach Gruff, Cosplay Boy, Driver, Drone 1, Duke-A-Don, Fofo, Granny Big Bad Wolf, Jimmy Crashola, Kid 5, Little Kid, Male Assistant, Male Cop, Man, Meatloaf, Mickey Crashola, Pig 2, Santa, TV Executive, Upbeat Announcer

Maryke Hendrikse

Susan Test, Billy's Mom, Cosplay Girl, Gamer Kid, Girl Kid, Kid 4, Local Roman, Lucha Mom, Mega Bon-Bon, Noble Woman, Nurse, Sad Pet Owner, Scream, Staffer, Unicorn

Emily Tennant

Mary Test, Technician 3, Female Host, Girl Gamer, Little Girl, Narrator 2, Scientist #3

Ian James Corlett

Dad, Cast Member, Centurion 1, Dad-amaton, Delivery Guy, Ice Cream Guy, Male Officer, Pig 3, Slick Guy

Kathleen Barr

Mom, Blast Ketchup, Female Cop, Female Officer, Female Watch Voice, Kid 2, Lab Alarm, Mom-amaton, Pig 1, Spectator, Tonal Translator, Type 'n' Talk

Lee Tockar

The General, Albert, Bling Bling, Bling Bling Boy, Bling-Bling, Co-Lead Technician, Mayor, Drone 2, Man, Promoter, Speed McCool, Squirrel

Bill Mondy

Mr. Black, Brain Freezer, Security Guard 1

Deven Christian Mack

Mr. White, Male Cop

Ian Hanlin

Moldywart, Bangaroo, Bobo, Crash Canasta, El Baddo, Human Cactus, Little John, Narrator 1, Security 2, Smart Home

Andrew Francis

Gil, Billy Sykes, Captain Punch, Gil's Dog, Scientist #2

Scott McNeil

Zizrar, Construction Drone, Security Guard 2

Vincent Tong

Bouncer, Cheesy Singer, Don, Jorf Muskerberg

Tabitha St. Germain

Grandma, Ms. Shush, Old Lady, The Gabbler, Wicked Witch

Jason Simpson

Centurion 3, El Muscles, Friar Tuck, Guard, Nero, Pachyderminator, Security 1

Kelly Sheridan

Alicia, Fiore

Nicole Oliver

Announcer, Daisy

Mark Hildreth

Guitar-Rilla, Jingle Singer 2

Kazumi Evans

Sally

Michelle Creber

Animatronic Back-Up Singer, Jingle Singer 3

Scott Fellows