James Arnold Taylor
Johnny Test (voice) (52 eps)
Maryke Hendrikse
Susan Test (voice) (52 eps)
Lee Tockar
The General / Bling-Bling Boy (voice) (52 eps)
Brittney Wilson
Mary Test (voice) (52 eps)
Ian James Corlett
Hugh Test (voice) (52 eps)
Trevor Devall
Dukey (voice) (52 eps)
Kathleen Barr
Lila Test (voice) (52 eps)
Scott McNeil
Mr. White / Bumper (voice) (52 eps)
Bill Mondy
Mr. Black (voice) (52 eps)