Question: who plays peter egan's girlfriend in unforgotten 2018

title: Unforgotten
text: After barely surviving the attack , Pete dies , putting Cassie 's career in jeopardy . Tim tells the police that prior to the attack , Pete told him that on New Year 's Eve 2000 , he saw Eliot sneaking into the house after 2 a.m. Fran believes that Hayley 's diary uses codewords to describe drug use and sex , and that she was looking to buy drugs for a New Year 's Eve party . Chris states that despite his arrest , he was not the one who visited child porn websites , and investigators were able to prove his credit card info was stolen , leading to all charges being dropped , but his life destroyed . Jamie 's former car matches the one seen driving erratically , and Melissa claims that her husband had told her he hit a deer that weekend . Jamie tells police he believed his son had accidentally killed Hayley while driving drunk , her body fallen into the river and washed out to sea . After Pete 's death , Sandra is arrested for inciting the vigilantism that ultimately killed him . Police arrest Tim after discovering he was pulled over for speeding outside Middenham on 3 January 2000 -- the day after he 'd returned to London