cus ▁guest ▁star red ▁on ▁the ▁CBS ▁military ▁sit com / d rama ▁H enn ese y , ▁st arring ▁Jack ie ▁Cooper , ▁and ▁on ▁the ▁N BC ▁drama ▁about ▁family ▁conflicts ▁in ▁the ▁American ▁Civil ▁War ▁entitled ▁The ▁Americans . ▁CBS ▁soon ▁cast ▁him ▁in ▁the ▁lead ▁in ▁the ▁ 1 3 - week ▁series ▁The ▁Investig ators , ▁which ▁a ired ▁from ▁October ▁ 5 ▁to ▁December ▁ 2 8 , ▁ 1 9 6 1 . ▁He ▁played ▁the ▁ins urance ▁investig ator ▁Russ ▁Andrew s , ▁with ▁James ▁Phil bro ok ▁as ▁a ▁co - star . ▁Francis cus ▁was ▁also ▁cast ▁in ▁the ▁role ▁of ▁Tom ▁Gro ver ▁in ▁the ▁ 1 9 6 1 ▁episode ▁" The ▁Em pty ▁Heart " ▁of ▁the ▁CBS ▁anth ology ▁series , ▁The ▁Du P ont ▁Show ▁with ▁June ▁Al ly son . ▁He ▁performed ▁in ▁many ▁feature ▁films ▁and ▁television ▁programs ▁throughout ▁the ▁ 1 9 6 0 s ▁and ▁ 1 9 7 0 s , ▁preced ed ▁by ▁a ▁minor ▁role ▁in ▁an ▁episode ▁of ▁The ▁Tw il ight ▁Zone ▁titled ▁Jud gment ▁Night ▁in ▁ 1 9 5 9 , ▁and ▁a ▁major ▁role ▁in ▁episodes ▁of ▁Alfred ▁H itch cock ▁Pres ents : ▁“ F ort y ▁detect ives ▁later ▁“ ▁in ▁ 1 9 6 0 , ▁and ▁Summer ▁Sh ade ▁in ▁ 1 9 6 1 . ▁ ▁He ▁star red ▁in ▁I ▁Pass ed ▁for ▁White ▁( 1 9 6 0 ),