<Table> <Tr> <Th> Character </Th> <Th> Actor / Actress </Th> <Th> Series </Th> <Th> Last Seen </Th> </Tr> <Tr> <Td> Buki Lester </Td> <Td> Kim Oliver </Td> <Td> Series 3 - 5 </Td> <Td> Looking forward to a new life with her son Lennox . She was released off - screen . </Td> </Tr> <Tr> <Td> Al McKenzie </Td> <Td> Pauline Campbell </Td> <Td> Series 3 - 6 </Td> <Td> Lying dead on the floor of the four - bed dorm after suffering oxalic poisoning accidentally caused by Phyl Oswyn and Bev Tull . </Td> </Tr> <Tr> <Td> Virginia O'Kane </Td> <Td> Kate O'Mara </Td> <Td> Series 3 - 4 </Td> <Td> Dead in the bath after being drowned by Maxi Purvis and Al McKenzie . </Td> </Tr> <Tr> <Td> Maxi Purvis </Td> <Td> Kerry Norton </Td> <Td> Series 3 - 4 </Td> <Td> Dead in the chapel, where her corpse was stored by Sylvia Hollamby and the Julies, after committing suicide by choking herself to death on toilet paper, aided by Al McKenzie . </Td> </Tr> <Tr> <Td> Tina O'Kane (also known as Tina Purvis and Julie O'Kane) </Td> <Td> Victoria Bush </Td> <Td> Series 3 - 8 </Td> <Td> Celebrating Christmas with her fellow inmates . </Td> </Tr> </Table> <Tr> <Th> Character </Th> <Th> Actor / Actress </Th> <Th> Series </Th> <Th> Last Seen </Th> </Tr> <Tr> <Td> Buki Lester </Td> <Td> Kim Oliver </Td> <Td> Series 3 - 5 </Td> <Td> Looking forward to a new life with her son Lennox . She was released off - screen . </Td> </Tr> <Tr> <Td> Al McKenzie </Td> <Td> Pauline Campbell </Td> <Td> Series 3 - 6 </Td> <Td> Lying dead on the floor of the four - bed dorm after suffering oxalic poisoning accidentally caused by Phyl Oswyn and Bev Tull . </Td> </Tr>

When soes the walking dead come back on