▁in ▁two ▁episodes ▁of ▁The ▁Out er ▁Lim its ▁television ▁series . ▁ ▁Other ▁TV ▁appearances ▁included ▁as ▁a ▁hit man ▁in ▁the ▁episode ▁" B etter ▁B arg ain " ▁on ▁Alfred ▁H itch cock ▁Pres ents , ▁plus ▁roles ▁on ▁episodes ▁of ▁The ▁U nt ouch ables , ▁Rod ▁Ser ling ' s ▁Night ▁Gallery , ▁ ▁Vo y age ▁to ▁the ▁B ottom ▁of ▁the ▁Sea ▁and ▁Mission ▁Im possible , ▁as ▁well ▁as ▁Bor is ▁Kar lo ff ' s ▁susp ense ▁series ▁Th r iller . ▁ ▁In ▁ 1 9 6 3 , ▁Henry ▁Silva ▁played ▁the ▁lead ▁role ▁in ▁the ▁gang ster ▁film ▁Johnny ▁C ool , ▁which ▁was ▁produced ▁by ▁United ▁Art ists ▁and ▁Chris law . ▁His ▁character ▁Salv atore ▁" John ny ▁C ool " ▁Gi ord ano ▁ ▁was ▁a ▁hit man ▁sent ▁on ▁a ▁mission ▁by ▁ex iled ▁mob ster ▁Johnny ▁Col ini ▁to ▁kill ▁the ▁under world ▁figures ▁who ▁had ▁pl otted ▁against ▁the ▁mob ster . ▁Premier ing ▁on ▁October ▁ 1 9 , ▁ 1 9 6 3 , ▁the ▁film ▁was ▁successful ▁at ▁the ▁box - office ▁and ▁was ▁crit ically ▁well ▁received . ▁So ▁was ▁the ▁actor ' s ▁first ▁lead ▁performance , ▁which ▁carried ▁the ▁film . ▁ ▁The ▁strong ▁supporting ▁cast ▁features ▁Elizabeth ▁Mont gom ery , ▁Mort ▁S ahl , ▁T elly ▁S aval as , ▁Jim ▁Back us , ▁Jo ey ▁Bishop , ▁and ▁Sam my ▁Davis , ▁Jr ., ▁most ▁of