▁Hamilton . ▁ ▁Al ong side ▁his ▁acting ▁career , ▁Swift ▁had ▁an ▁active ▁interest ▁in ▁the ▁behind - the - sc enes ▁aspects ▁of ▁media ▁production , ▁running ▁the ▁sound ▁recording ▁and ▁post - production ▁business es ▁Pre view ▁ 1 ▁and ▁Pre view ▁ 2 ▁in ▁the ▁ 1 9 6 0 s , ▁before ▁co - found ing ▁and ▁man aging ▁Temp est ▁Films ▁in ▁ 1 9 6 9 ▁along ▁with ▁film - m akers ▁Charles ▁D ent on , ▁Richard ▁Mar qu and , ▁Paul ▁Watson ▁and ▁John ▁Pil ger . ▁The ▁company ▁also ▁produced ▁document aries ▁by ▁actor - direct or ▁Kenneth ▁Griff ith . ▁ ▁Personal ▁life ▁Swift ▁was ▁the ▁elder ▁brother ▁of ▁the ▁actor ▁C live ▁Swift , ▁known ▁for ▁his ▁role ▁in ▁Keep ing ▁Up ▁App ear ances , ▁with ▁whom ▁he ▁sometimes ▁performed . ▁ ▁He ▁was ▁the ▁uncle ▁of ▁the ▁academic ▁Adam ▁Swift ▁and ▁the ▁television ▁person ality ▁Joe ▁Swift ▁and ▁their ▁sister ▁Reb e cca . ▁He ▁was ▁also ▁the ▁father ▁of ▁actress ▁Julia ▁Swift ▁and ▁father - in - law ▁of ▁actor ▁David ▁B am ber . ▁ ▁He ▁died ▁from ▁comp lications ▁of ▁Al z heimer ' s ▁disease ▁on ▁ 8 ▁April ▁ 2 0 1 6 ▁at ▁the ▁age ▁of ▁ 8 5 . ▁ ▁Selected ▁film ography ▁ ▁Film ▁ ▁Tra vel s ▁with ▁My ▁A unt ▁( 1 9 7 2 ) ▁- ▁Det ect ive ▁ ▁The ▁Day ▁of ▁the ▁Jack al ▁( 1