《不可遗忘》第五季获得预订，将于2023年播出，Sanjeev Bhaskar回归出演DI Sunny Khan，因第四季最后一集中发生的事件，Nicola Walker将不会再出演DCI Cassie Stuart这一角色，本季中Sunny的新搭档是由Sinéad Keenan扮演的DCI Jessica James，她将接替Nicola Walker的角色和Sunny一起调查一桩全新的旧案。
遇播放卡顿或无法播放时，可切换线路播放
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