▁environmental ist ▁and ▁under cover ▁agent ▁for ▁M I 5 , ▁who ▁with ▁his ▁family ▁are ▁on ▁a ▁mission ▁to ▁save ▁the ▁planet . ▁Jack ' s ▁ar chen emy ▁was ▁a ▁criminal ▁known ▁only ▁as ▁" the ▁V ixen " ▁who ▁would ▁come ▁up ▁with ▁di abol ical ▁schemes ▁to ▁rule ▁the ▁world . ▁ ▁Cast ▁ ▁Jack ▁Green ▁( Paul ▁Jones ) ▁- ▁A ▁keen ▁environmental ist ▁and ▁a ▁brilliant ▁under cover ▁agent ▁for ▁M I 5 . ▁His ▁curiosity ▁and ▁strange ▁methods ▁of ▁work ▁sometimes ▁get ▁him ▁into ▁trouble . ▁The ▁V ixen ▁( F en ella ▁Field ing ) ▁ ▁- ▁Jack ' s ▁ar chen emy , ▁a ▁not orious ▁international ▁cro ok ▁whose ▁sole ▁purpose ▁is ▁to ▁rule ▁the ▁world ▁and ▁ste al ▁wealth ▁for ▁herself . ▁Kate ▁Stevens ▁( S ar ah ▁Lam bert ) ▁- ▁Jack ' s ▁nie ce ▁and ▁Michael ' s ▁younger ▁sister ▁who ▁adm ires ▁her ▁uncle ' s ▁work . ▁Michael ▁Stevens ▁( Gi useppe ▁Pel uso ) ▁- ▁Jack ' s ▁nep hew ▁and ▁Kate ' s ▁elder ▁brother ▁who ▁cons iders ▁his ▁uncle ▁embar rass ing ▁at ▁first ▁but ▁eventually ▁war med ▁up ▁to ▁him . ▁Elizabeth ▁Stevens ▁( Christ ine ▁Lo hr ) ▁- ▁Jack ' s ▁sister ▁and ▁Kate ▁and ▁Michael ' s ▁mother ▁who ▁lov es ▁her ▁brother , ▁but ▁sometimes ▁finds ▁him ▁embar rass ing ▁and ▁doesn ' t ▁always ▁like ▁his ▁methods ▁of ▁work ▁getting ▁the ▁family ▁into ▁trouble . ▁Edward ▁Stevens ▁(