Cast and Crew of Johnny Test

Johnny Test

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.

Full Cast of Johnny Test

Scott McNeil

Scott McNeil (born September 15, 1962 in Brisbane, Australia) is an Australian-born Canadian voice actor. He is most ...

Bill Mondy

James Arnold Taylor

as Johnny Test (voice)

James Arnold Taylor (born July 22, 1969) is an American voice actor, writer, producer and podcast host, known for por...

Brittney Wilson

as Mary Test (voice) ,

Brittney Wilson was born on March 26, 1991 and is currently 33 years old.

Andrew Francis

Andrew Francis (born May 27, 1985) is an actor and voice artist from Vancouver, British Columbia, Canada He has appea...

Ashleigh Ball

as Mary Test (voice)

Ashleigh Ball was born on March 31, 1983 and is currently 41 years old.

Kathleen Barr

Kathleen Barr is a Canadian-American voice actress.

Ian James Corlett

as Hugh Test (voice)

Ian James Corlett (born August 29, 1962) is a Canadian animation voice artist, writer, and musician. He is the creato...

Richard Newman

Richard Newman was born on November 2, 1946 and is currently 78 years old.