She appeared as series regular ' Brenan the Witch ' in Back to Sherwood , for CBC and YTV .
Matern played ' Thelma the android ' in Space Cases , a children 's science fiction show that ran for two seasons on Nickelodeon .
Matern appeared as series regular ' Brenan the Witch ' in Back to Sherwood , for CBC and YTV .
Matern played ' Thelma the android ' in Space Cases , a children 's science fiction show that ran for two seasons on Nickelodeon .