▁School . ▁He ▁left ▁school ▁at ▁ 1 6 ▁and ▁initially ▁served ▁an ▁app rent ices hip ▁as ▁a ▁printer , ▁before ▁beginning ▁his ▁career ▁in ▁theatre . ▁He ▁trained ▁at ▁the ▁Mount view ▁Academy ▁of ▁Theatre ▁Arts , ▁gradu ating ▁in ▁ 1 9 9 1 , ▁and ▁went ▁on ▁to ▁study ▁under ▁Sam ▁K og an ▁and ▁the ▁K og an ▁Academy ▁of ▁D ram atic ▁Arts , ▁of ▁which ▁Mars an ▁is ▁now ▁a ▁patron . ▁ ▁Career ▁Mars an ' s ▁first ▁television ▁appearance ▁was ▁in ▁ 1 9 9 2 , ▁as ▁a ▁" y ob ", ▁in ▁the ▁London ▁Week end ▁Television ▁series ▁The ▁P ig let ▁Files . ▁One ▁of ▁his ▁more ▁significant ▁early ▁television ▁appearances ▁was ▁in ▁the ▁popular ▁mid - 1 9 9 0 s ▁BBC ▁sit com ▁Game ▁On ▁as ▁a ▁b ung ling ▁bank ▁rob ber . ▁Mars an ▁went ▁on ▁to ▁have ▁roles ▁in ▁Cas ual ty , ▁The ▁Bill , ▁Gr ass , ▁K avan agh ▁Q C , ▁G range ▁Hill , ▁Sil ent ▁Wit ness , ▁Ult imate ▁Force , ▁South cl iffe , ▁and ▁more . ▁He ▁also ▁vo iced ▁the ▁M antic ore ▁in ▁the ▁Mer lin ▁episode ▁" L ove ▁in ▁the ▁Time ▁of ▁Drag ons ". ▁ ▁In ▁ 2 0 1 2 , ▁he ▁played ▁Dr ▁Ludwig ▁G utt mann ▁in ▁the ▁television ▁film ▁The ▁Best ▁of ▁Men . ▁He ▁port ray s ▁Terry ▁Don ovan , ▁brother ▁to ▁the ▁lead ▁character ▁in