CasualtySeries 28Episode 20: Bad TimingBBC One Duration: 50 minutesFirst broadcast: Sat 11th Jan 2014, 21:20 on BBC One HDLatest broadcast: Sat 11th Jan 2014, 21:20 on BBC One Northern IrelandLily and new doctor Ethan diagnose teacher Alice with a rare disease, while Zoe and Tess fight to save the life of Dixie's girlfriend.ContributorsEthan Hardy:George RainsfordLily Chao:Crystal YuZoe Hanna:Sunetra SarkerCharlie Fairhead:Derek ThompsonKathleen 'Dixie' Dixon:Jane HazlegroveJeff Collier:Matt BardockTess Bateman:Suzanne PackerMartin 'Ash' Ashford:Patrick RobinsonRobyn Miller:Amanda HendersonJamie Collier:Daniel AnthonyRita Freeman:Chloe HowmanBig Mac:Charles DaleNoel Garcia:Tony MarshallLouise Tyler:Azuka OforkaCarol Walcott:Georgia MackenzieIain Dean:Michael StevensonAlice Seacroft:Janet DibleyKaren O'Grady:Jessica CollinsBen Stanhope:Ray MacAllanJenny Cowan:Annabel WrightSarah Pilkington:Deborah GrantGiles Delanie:Peter HardingDirector:Steve HughesWriter:Frank RickarbyGenresDramaMedicalBrandCasualtySeriesCasualty: Series 28 Source: BBC Online