Sydney finds herself face-to-face with her long-lost mother, Irina Derevko, whose intentions for her daughter are made chillingly clear. However, Sydney manages to escape and rejoin Jack and Will in their escape from Taiwan. After arriving back in Los Angeles, Sydney continues her search for Vaughn, not knowing if he is dead or alive after being swept away by a wall of water in Taipei. Will's life is forever changed when he learns the truth about SD-6 and Sydney's life as a double agent. Also, Dixon must decide whether or not to inform Sloane of Sydney's suspicious activities. But Jack intervenes and covers for Sydney who later finds Vaughn who helps her try to track down her mother Irina who's searing for a Rimbaldi artifact called 'the Bible.'

DeBoer , Nicole , 安东尼·迈克尔·豪尔

Having woken up in Hong Kong, with no memory for the last two years (!), Sydney returns to Los Angeles to try to piece together the last two years of her life and discovers the fates of her friends and family Vaughn has married thinking that Sydney was long dead; Marshall is having a baby with CIA tech expert Carrie Bowman; and Dixon is now the new division head of the L.A. office branch of the CIA. Sydney also learns the shocking fates of Jack and Sloane; the former is in CIA custody for communicating with Irina whom still is in hiding, while the latter is living in Switzerland under house arrest in exchange for co-operation with the CIA. Sydney is granted temporary CIA clearance on a case that may help her regain her memory and she meets a new enemy group called The Covenant.

以赛亚·斯坦纳德 , 克里斯蒂娜·亨德里克斯 , 大卫·霍恩斯比 , 布拉克斯顿·比肯 , 曼尼·蒙塔纳 , 梅·惠特曼 , 瑞塔·希尔丽夫 , 莉娅·朱厄特 , 詹姆斯·勒斯库 , 雷诺·维尔森 , 马修·里沃德

Adams , Anthony , Bruno , Chris , Hall , John , L. , Michael

中村里帆 , 丸山智己 , 伊藤健太郎 , 千贺健永 , 夙川与务 , 小宫山莉渚 , 并木彩华 , 德永绘里 , 栗山千明 , 渊上泰史 , 竹野世梛 , 黑泽明日香

DeBoer , Nicole , 安东尼·迈克尔·豪尔

女赶尸人小九半夜接到了一个奇怪女人的送尸订单，将一个富少的尸体送到一幢古宅，小九将尸体送到后，却发现富少父母正在为其办冥婚。没想到，第二天富少的父母却找上门来，说富少尸体丢了，要小九归还富少尸体……

Sidney Bristow is a college student who has an unusual job – she is a spy working for the CIA under secret conditions where not even her friends knows what she does. When her boyfriend proposes Sydney tells him what she does for a living and her employers kill him in line with procedures. Deciding to leave the agency before they kill her too Sydney discovers that she has actually been working for SD6, an agency that is actually a shadowy criminal organisation world-wide. Sydney joins the CIA and works as a double agent to help CIA Agent Vaughn to bring down SD6. She finds that her father is the other double agent within SD6 and the pair work together. While following her missions to uncover the work of the prophetic Rambaldi she must feed information back to the CIA without blowing her cover.

凯文·韦斯曼 , 卡尔·鲁伯利 , 朗·瑞弗金 , 维克多·加博 , 詹妮弗·加纳 , 迈克尔·瓦尔坦

万斯敏 , 严秋华 , 伍咏薇 , 佘文炳 , 关伟伦 , 冯国 , 冼灏英 , 刘准 , 刘宗基 , 刘锡贤 , 刘锦玲 , 卢希莱 , 吕颂贤 , 吴廷烨 , 吴曼丽 , 吴毅将 , 嘉俊 , 夏春秋 , 姜皓文 , 尹丽玉 , 庞秋雁 , 张铮 , 文颂娴 , 施明 , 曾守明 , 曾玮明 , 曾赞安 , 杨嘉诺 , 林祖辉 , 梁碧芝 , 梁锦荣 , 潘志文 , 炜烈 , 甄志强 , 程文意 , 胡渭康 , 连晋 , 邓浩光 , 郑文霞 , 郭耀明 , 陈东 , 陈靖允 , 韦家雄 , 鲍起静 , 黃麗梅 , 黄树棠 , 黄韵材

乔什·哈奈特 , 伊娃·格林 , 利夫·卡内 , 哈里·崔德威 , 提摩西·道尔顿 , 比莉·派佩 , 海伦·麦克洛瑞 , 罗里·金尼尔