CasualtySeries 30Episode 12: StrangersBBC One Duration: 50 minutesFirst broadcast: Sat 21st Nov 2015, 21:00 on BBC One HDLatest broadcast: Sat 21st Nov 2015, 21:00 on BBC One WalesHospital drama. Dixie is forced to ignore her gut feeling, and Cal faces every parent's nightmare.ContributorsCaleb Knight:Richard WinsorEthan Hardy:George RainsfordKathleen 'Dixie' Dixon:Jane HazlegroveIain Dean:Michael StevensonCharlie Fairhead:Derek ThompsonLily Chao:Crystal YuLouise Tyler:Azuka OforkaBen 'Lofty' Chiltern:Lee MeadJacob Masters:Charles VennZoe Hanna:Sunetra SarkerRita Freeman:Chloe HowmanBig Mac:Charles DaleMax Walker:Jamie DavisJess Cranham:Kerry BennettNikki Chisom:Anna ActonOliva Cranham:Grace DohertyWriter:Andy BaylissDirector:Sean GlynnProducer:Jonathan PhillipsGenresDramaMedicalBrandCasualtySeriesCasualty: Series 30 Source: BBC Online