CasualtySeries 31Episode 19: Little SisterBBC One Duration: 50 minutesFirst broadcast: Sat 21st Jan 2017, 20:25 on BBC One HDLatest broadcast: Sat 21st Jan 2017, 20:25 on BBC One WalesIain is confronted by his secret past, and Connie continues her crusade against Elle.ContributorsIain Dean:Michael StevensonConnie Beauchamp:Amanda MealingJacob Masters:Charles VennLily Chao:Crystal YuCharlie Fairhead:Derek ThompsonJez Andrews:Lloyd EverittElle Gardner:Jaye GriffithsRobyn Miller:Amanda HendersonNoel Garcia:Tony MarshallMax Walker:Jamie DavisCaleb Knight:Richard WinsorLisa 'Duffy' Duffin:Cathy ShiptonDavid Hide:Jason DurrLouise Tyler:Azuka OforkaAlicia Munroe:Chelsea HalfpennyGemma Dean:Rebecca RyanGrace Beauchamp-Strachan:Emily CareyBelle Cooke:Rachel LumbergJamieson Francis:Simon ChandlerKristina Boiko:Diana DimitroviciWriter:Joseph WildeWriter:Jeff PoveyDirector:Fiona WaltonProducer:Gail EvansGenresDramaMedicalBrandCasualtySeriesCasualty: Series 31 Source: BBC Online