McLynn joined EastEnders to work with Dot Cotton

Pauline McLynn joined 'EastEnders' to work with June Brown.

The Irish actress makes her on-screen debut in tonight's episode as Yvonne Cotton - the mother of Dot Branning's mysterious grandson Charlie Cotton (Declan Bennett) - and she admits she was initially reluctant to join the BBC One soap until she learned she would work with the Walford legend.