liza moon, played by joanne adams, is the estranged wife of alfie moon (shane richie). she has not seen alfie since he was sent to prison for credit card fraud, but alfie visits her when he wants a divorce so he can marry kat slater (jessie wallace). liza does not want a divorce but gives up on a reconciliation with alfie when she realises he loves kat, not her. she then agrees to a divorce and alfie marries kat on christmas day 2003.