▁who ▁go ▁on ▁h one ym oon ▁to ▁Scotland ▁where ▁they ▁are ▁nearly ▁kid n apped ▁by ▁agents ▁of ▁a ▁foreign ▁power . ▁The ▁film ▁was ▁shot ▁at ▁Be a cons field ▁Studios . ▁Location ▁shooting , ▁including ▁the ▁railway ▁scenes ▁took ▁place ▁in ▁Scotland . ▁ ▁Cast ▁ ▁Ben ita ▁H ume ▁as ▁E ve ▁Martin ▁▁ ▁Peter ▁Hann en ▁as ▁Peter ▁Martin ▁▁ ▁Harold ▁H uth ▁as ▁Walter ▁Cre ason ▁▁ ▁Walter ▁Ar mit age ▁as ▁Jud son ▁▁ ▁Jack ▁Lam bert ▁as ▁Ch auff eur ▁▁ ▁Pol ly ▁Em ery ▁as ▁Old ▁Woman ▁▁ ▁Robert ▁English ▁as ▁Mr ▁Har vey ▁▁ ▁Marg ery ▁B inner ▁as ▁Joseph ine ▁▁ ▁Frances ▁Rose ▁Campbell ▁as ▁Jan et ▁▁ ▁F anny ▁Wright ▁as ▁Old ▁Woman ▁ ▁References ▁ ▁Bibli ography ▁ ▁Low , ▁Rach el . ▁History ▁of ▁British ▁Film : ▁Volume ▁VII , ▁ 1 9 2 9 - 1 9 3 9 . ▁Rout ledge , ▁ 1 9 9 7 ▁ ▁External ▁links ▁ ▁Category : 1 9 3 1 ▁films ▁Category : B rit ish ▁films ▁Category : B rit ish ▁thr iller ▁films ▁Category : 1 9 3 0 s ▁thr iller ▁films ▁Category : English - language ▁films ▁Category : Fil ms ▁directed ▁by ▁Maurice ▁El vey ▁Category : Associ ated ▁T alk ing ▁Pictures ▁Category : Fil ms ▁shot ▁at ▁Be a cons field ▁Studios ▁Category : Fil ms ▁based ▁on ▁British ▁nov els ▁Category : Fil ms ▁shot ▁in ▁Scotland ▁Category : Fil ms ▁set