CasualtySeries 31Episode 31: When the Whistle BlowsBBC One Duration: 49 minutesFirst broadcast: Sat 15th Apr 2017, 20:10 on BBC One Scotland HDLatest broadcast: Sat 15th Apr 2017, 20:10 on BBC One WalesJez's promiscuity lands him in hot water, as Cal rallies the team to take on Sam.ContributorsElle Gardner:Jaye GriffithsJez Andrews:Lloyd EverittLisa 'Duffy' Duffin:Cathy ShiptonCaleb Knight:Richard WinsorEthan Hardy:George RainsfordAlicia Munroe:Chelsea HalfpennyDylan Keogh:William BeckLily Chao:Crystal YuJacob Masters:Charles VennDavid Hide:Jason DurrLouise Tyler:Azuka OforkaIain Dean:Michael StevensonNoel Garcia:Tony MarshallSam Strachan:Tom ChambersKalen Gardner:Percelle AscottJay Blakeson:Tim DantayStan Cullen:Luke de WoolfsonJoanna Jenkings:Olivia OnyeharaTamzin Cullen:Sarah OvensWriter:John YorkeDirector:Tracey LarcombeProducer:Erika HossingtonGenresDramaMedicalBrandCasualtySeriesCasualty: Series 31 Source: BBC Online
