21:10CasualtySeries 29Episode 44: Knock Knock Who's ThereBBC One Duration: 50 minutes Sat 15th Aug 2015, 21:10 on BBC One Northern Ireland HDJacob unveils the truth about a patient, but is it too late? Tess has to make a difficult decision.ContributorsTess Bateman:Suzanne PackerCharlie Fairhead:Derek ThompsonDylan Keogh:William BeckZoe Hanna:Sunetra SarkerConnie Beauchamp:Amanda MealingJacob Masters:Charles VennBen 'Lofty' Chiltern:Lee MeadKathleen 'Dixie' Dixon:Jane HazlegroveIain Dean:Michael StevensonEthan Hardy:George RainsfordHoney Wright:Chelsee HealeyCaleb Knight:Richard WinsorLily Chao:Crystal YuBig Mac:Charles DaleMax Walker:Jamie DavisNoel Garcia:Tony MarshallRita Freeman:Chloe HowmanRobyn Miller:Amanda HendersonSam Bateman:Luke BaileyRichard Webb:Elliott JordanJoss Pearce:Aaron JeffcoateSarah Webb:Noeleen ComiskeyPam Poole:Lorraine CheshireDerek Owen:Paul TrussellWriter:Benedict AyrtonWriter:Matthew BarryDirector:Julie EdwardsProducer:Gert ThomasGenresDramaMedicalBrandCasualtySeriesCasualty: Series 29 Source: BBC Online