The character first appears onscreen in 1998 play by Fiona Glascott , the character left the series to go to london , on her return in 2000 Sinéad Keenan was cast in the role .
The character first appears onscreen in 1998 play by Fiona Glascott , however the character left the series to go to London . 
 On her return in 2000 , Sinéad Keenan was cast in the role .