." ▁Sym s ▁said ▁that ▁during ▁the ▁scene ▁where ▁the ▁amb ul ance ▁roll s ▁backwards ▁down ▁the ▁hill ▁narrow ly ▁avoid ing ▁her , ▁the ▁actors ▁assumed ▁there ▁would ▁be ▁a ▁ha w ser ▁to ▁stop ▁the ▁vehicle ▁if ▁anything ▁went ▁wrong , ▁but ▁there ▁was ▁not . ▁The ▁actress ▁said ▁she ▁was ▁" pre tty ▁sure " ▁M ills , ▁Qu ay le ▁and ▁Andrew s ▁an gr ily ▁up bra ided ▁director ▁J ▁Lee ▁Thompson ▁for ▁this ▁ris ky ▁approach . ▁She ▁added : ▁" He ▁liked ▁to ▁push ▁actors ▁a ▁bit ". ▁The ▁quick s and ▁sequence ▁was ▁fil med ▁in ▁an ▁ice ▁cold ▁artificial ▁bog ▁in ▁an ▁English ▁studio ▁( some ▁scenes ▁were ▁shot ▁at ▁El st ree ) ▁and ▁was ▁" very ▁t ough " ▁on ▁Qu ay le ▁and ▁M ills . ▁Sym s ▁said ▁the ▁produ cers ▁got ▁a ▁good ▁deal ▁out ▁of ▁her ▁for ▁" £ 3 0 ▁a ▁week ", ▁adding : ▁" But ▁I ▁made ▁a ▁lot ▁more ▁when ▁they ▁turned ▁it ▁into ▁an ▁advert ▁for ▁Car ls berg ". ▁She ▁said ▁there ▁are ▁" no ▁false ▁hero ics ▁in ▁it " ▁and ▁that ▁she ▁had ▁been ▁told ▁by ▁desert ▁war ▁veter ans ▁it ▁is ▁a ▁good ▁picture ▁of ▁soldiers ▁in ▁that ▁theatre ▁of ▁war , ▁adding : ▁" I ▁am ▁proud ▁of ▁it ". ▁ ▁Music ▁ ▁In ▁a ▁break ▁with ▁previous ▁films ▁by ▁Associ ated ▁British ▁Pictures , ▁the ▁producer ▁and ▁editor ▁used ▁a ▁minimum ▁of ▁incident al ▁music .