isa ▁Pav an ). ▁▁ ▁Un known ▁to ▁Catherine , ▁her ▁Med ici ▁relations ▁ar range ▁the ▁death ▁of ▁the ▁D au ph in ▁and ▁Henri ' s ▁as cent ▁to ▁the ▁throne ▁as ▁King ▁Henry ▁II . ▁The ▁ant agon ism ▁of ▁the ▁two ▁women , ▁ab ett ed ▁by ▁Med ici ▁sch em ing , ▁eventually ▁results ▁in ▁the ▁death ▁of ▁Henri . ▁Catherine , ▁now ▁r uling ▁as ▁reg ent ▁for ▁her ▁three ▁young ▁sons , ▁ban ishes ▁D iane ▁but ▁sp ares ▁her ▁rival ' s ▁life ▁in ▁a ▁gesture ▁of ▁mut ual ▁respect . ▁ ▁Cast ▁ ▁L ana ▁Turner ▁as ▁D iane ▁de ▁Po it iers ▁ ▁Pedro ▁Arm end á riz ▁as ▁King ▁Francis ▁I ▁of ▁France ▁ ▁Roger ▁Moore ▁as ▁Prince ▁Henri ▁( l ater ▁King ▁Henry ▁II ) ▁ ▁Mar isa ▁Pav an ▁as ▁Catherine ▁de ' ▁Med ici ▁ ▁Sir ▁C ed ric ▁Hard w ic ke ▁as ▁R ugg ieri ▁ ▁Tor in ▁Th atch er ▁as ▁Count ▁de ▁Br é z é ▁ ▁T ain a ▁El g ▁as ▁A ly s ▁ ▁John ▁Lu pton ▁as ▁Reg na ult ▁ ▁Henry ▁D ani ell ▁as ▁G ond i ▁ ▁Ron ald ▁Green ▁as ▁The ▁D au ph in ▁ ▁Se an ▁Mc Cl ory ▁as ▁Count ▁Mont gom ery ▁ ▁Geoff rey ▁To one ▁as ▁Duke ▁of ▁Sav oy ▁ ▁Michael ▁Ans ara ▁as ▁Count ▁R id olf i ▁ ▁Mel ville ▁Cooper ▁as ▁Court ▁Phys ician ▁ ▁Jam ie