Overview
Young Johnny is gung-ho and full of courage. Johnny's brainiac twin sisters, Susan and Mary, use Johnny as their guinea pig for their outrageous scientific experiments. If they can dream it up, Johnny will do it; as long as his genetically engineered super dog, Dukey, can come along.
Cast
Scott McNeil
Mr. White / Bumper (voice)
Bill Mondy
Mr. Black (voice)
James Arnold Taylor
Johnny Test (voice)
Maryke Hendrikse
Susan Test (voice)
Lee Tockar
The General / Bling-Bling Boy (voice)
Ian James Corlett
Hugh Test (voice)
Kathleen Barr
Lila Test (voice)
Louis Chirillo
Dukey (voice)
Ashleigh Ball
Mary Test (voice)
Trevor Devall
Dukey (voice)
Brittney Wilson
Mary Test (voice)
Andrew Francis
Richard Newman
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