3 7 ▁the ▁play ▁was ▁adapted ▁into ▁a ▁film ▁of ▁the ▁same ▁title ▁by ▁Hollywood ▁studio ▁M GM , ▁directed ▁by ▁Kurt ▁Ne umann ▁and ▁st arring ▁Edmund ▁L owe , ▁Mad ge ▁Evans ▁and ▁Paul ▁L uk as . ▁ ▁References ▁ ▁Bibli ography ▁ ▁L ach man , ▁Mar vin . ▁The ▁Villa in ous ▁Stage : ▁Crime ▁Pl ays ▁on ▁Broadway ▁and ▁in ▁the ▁West ▁End . ▁Mc F ar land , ▁ 2 0 1 4 . ▁ ▁W ear ing , ▁J . P . ▁The ▁London ▁Stage ▁ 1 9 3 0 - 1 9 3 9 : ▁A ▁Calendar ▁of ▁Produ ctions , ▁Perform ers , ▁and ▁Person nel . ▁ ▁Row man ▁& ▁Little field , ▁ 2 0 1 4 . ▁ ▁Category : 1 9 3 5 ▁plays ▁Category : B rit ish ▁plays ▁Category : T hr iller ▁plays ▁Category : West ▁End ▁plays ▁Category : B rit ish ▁plays ▁adapted ▁into ▁films ▁Category : Pl ays ▁by ▁Walter ▁C . ▁H ack ett <0x0A> </s> ▁A ▁variety ▁of ▁symbols ▁or ▁icon ographic ▁convent ions ▁are ▁used ▁to ▁represent ▁Earth , ▁whether ▁in ▁the ▁sense ▁of ▁planet ▁Earth , ▁or ▁the ▁inhab ited ▁world , ▁or ▁as ▁a ▁classical ▁element . ▁Represent ations ▁of ▁the ▁glo be ▁of ▁Earth , ▁either ▁with ▁an ▁indic ation ▁of ▁the ▁shape ▁of ▁the ▁contin ents ▁or ▁with ▁a ▁representation ▁of ▁mer id ians ▁and ▁par alle ls ▁remains ▁a ▁common ▁p ict ographic ▁convention ▁to