Blake RitsonChristopher Morcom Prunella ScalesSara Turing Julian KerridgeRon Miller Richard JohnsonDilwyn 'Dilly' Knox Amanda RootPatricia 'Pat' Green William ManneringYoung Alan Turing John DruryExecutive Producer Richard LangridgeExecutive Producer Rebecca EatonExecutive Producer Fiona McNeillArt Direction Barbara GosnoldProduction Design Robin VidgeonDirector Of Photography Frances TempestCostume Design Kate HodgsonMakeup Artist Pam MeagerMakeup Designer Laurence Méry-ClarkEditor Maurice HillierSound Recordist 
