
N has been a day patient at north London's Dorothy Fish day hospital for 13 years - her ambition is never to leave. Then she meets glamourous new patient Poppy Shakespeare, an ad agency receptionist convinced she's not mad.
Naomie HarrisPoppy
Anna Maxwell MartinN
Tessa Peake-JonesRhona
Claire BenedictRosetta
Adrian ScarboroughMiddle Class Michael
Cathy MurphyAstridKolade AgbokeWesley
Marie CritchleyTinaBruce MacLeodBrian the Butcher
Penny LaydenSue
Kerry GodlimanVerna
Josef AltinZubin
Michelle DockeryDawn
Simon KunzPeter Flea
Nicholas WoodesonProfessor