39

Ashleigh Ball

as Mary Test

52

James Arnold Taylor

as Johnny Test

31

Brittney Wilson

as Mary Test

59

Scott McNeil

as Mr. White

36

Andrew Francis

as GIl

55

Kathleen Barr

as Mom

43

Maryke Hendrikse

as Susan Test

53

Lee Tockar

as The General

59

Ian Corlett

as Dad

About Johnny Test

About

A suburban boy becomes the test subject for his genius twin sisters' experiments. The show ran for six seasons and aired a total of 117 episodes. 

Trivia

The show was nominated for a Daytime Emmy Award in 2006 for Outstanding Sound Editing - Live Action and Animation.