▁un co vers ▁a ▁dead ly ▁consp i racy . ▁The ▁plot , ▁led ▁by ▁Paul ▁Sh erek ▁( M anning ▁While y ), ▁involves ▁international ▁arms ▁deal ers , ▁who ▁can ' t ▁afford ▁to , ▁and ▁do ▁not ▁wish ▁to ▁have ▁peace ▁declared , ▁and ▁plan ▁to ▁blow ▁up ▁President ▁Ro ose vel t ▁during ▁his ▁visit . ▁ ▁Part ial ▁cast ▁ ▁D erek ▁F arr ▁as ▁P ember ton ▁Grant ▁▁ ▁Mart a ▁Lab arr ▁as ▁Natal ie ▁▁▁ ▁Mann ing ▁While y ▁as ▁Paul ▁Sh erek ▁▁ ▁Pam ela ▁St ir ling ▁as ▁Ha ali ▁▁ ▁Philip ▁R idge way ▁as ▁Mr ▁Raz ed ▁▁ ▁John ▁War wick ▁as ▁Ma or ▁' M ack ' ▁Mac Int y re ▁ ▁John ▁Sl ater ▁as ▁Ma or ▁Serge i ▁Sov ies ky ▁ ▁Mac Donald ▁Par ke ▁as ▁Major ▁Well man ▁ ▁Crit ical ▁reception ▁The ▁Radio ▁Times ▁called ▁the ▁film ▁a ▁" sh amb ol ic ▁British ▁thr iller "; ▁TV ▁Guide ▁wrote , ▁" Wh iley ' s ▁performance ▁alone ▁provides ▁some ▁s embl ance ▁of ▁acting , ▁and ▁the ▁technical ▁end ▁is ▁almost ▁totally ▁in comp et ent "; ▁but ▁All movie ▁wrote , ▁" E ven ▁though ▁the ▁audience ▁knows ▁the ▁outcome , ▁there ' s ▁thr ills ▁a pl enty ▁in ▁The ▁Plot ▁to ▁Kill ▁Ro ose vel t ." ▁ ▁References ▁ ▁External ▁links ▁ ▁Category : 1 9 4 6 ▁films ▁Category : 1 9 4 0 s ▁thr iller ▁films ▁Category