James Arnold Taylor

Johnny Test, Dark Vegan, Hank Anchorman

Maryke Hendrikse

Susan Test, Jillian, Computer Voice

Jeff Bennett

Dad

Lee Tockar

The General, Bling Bling Boy, Speed McCool

Ian James Corlett

Dad, GGB, Fringle

Scott McNeil

Mr. White, Bumper, Zizrar

Kathleen Barr

Mom, Janet, Tyler

Bill Mondy

Mr. Black, Brain Freezer, Announcer

Ashleigh Ball

Mary Test, Sissy, Jeffy

Andrew Francis

Gil, Mutant Agent #1, Jack #3

Louis Chirillo

Dukey, Mr. Teacherman, Ticket Guy

Trevor Devall

Dukey, Mr. Teacherman, Guard

Brittney Wilson

Mary Test, Sissy, Lovelorn Shark

Richard Newman

Professor Slopsink, Man

Colin Murdock

Whacko, Tickler, Conductor