{"rewrite":{"id":"r_c1d90ec710283061d88a0411","clusterId":"c_db37977afad4314bad422409","slug":"lost10-adds-yuki-saito-and-kenji-iwaya-as-two-cast-slots-remain","model":"deepseek-v4-flash","headline":"LOST10 Adds Yuki Saito and Kenji Iwaya as Two Cast Slots Remain","summary":"TBS's Friday drama LOST10 has added Yuki Saito and Kenji Iwaya to its cast, bringing the announced roster to eight. Saito plays Harune, a family member of a missing mountain tour participant. Iwaya plays Awashima, a police chief and the boss of Ryusei Yokohama's detective. The final two cast members will be revealed on September 11. The show starts in October.","whyItMatters":"With eight of ten cast members now public, LOST10's September 11 reveal of the final two roles will complete the roster the show's 'doubt everything' premise depends on.","webCardHtml":"\u003cp\u003eLOST10, the TBS Friday drama starring Ryusei Yokohama, has filled two more of its ten roles. Yuki Saito plays Harune, a family member of a missing mountain tour participant. Kenji Iwaya plays Awashima, chief of the Shikabashi police station\u0026#39;s criminal life safety division and the boss of Yokohama\u0026#39;s detective.\u003c/p\u003e\u003cp\u003eThe human suspense story follows ten characters whose paths cross after a mountain accident in Hokkaido. Sadako Okudera writes, Ayuko Tsukahara directs, and Junko Arai produces. Oguri Shun, Nakamura An, Iitoyo Marie, Iguchi Satoshi, and Noryo Kayo were announced earlier.\u003c/p\u003e\u003cp\u003eSaito described her role as carrying unique poison and beauty, driven by overwhelming arrogance and a private sense of justice. Iwaya, who worked with Tsukahara and Arai on Last Mile, joked about being a karaoke-loving uncle in a top orchestra. The final two cast members are set for a September 11 reveal.\u003c/p\u003e","blueskyPost":"LOST10 adds Yuki Saito and Kenji Iwaya to its ten-person cast. Saito plays a missing hiker's family member, Iwaya plays the police chief above Ryusei Yokohama's detective. The final two roles are revealed September 11. Fridays on TBS from October.","twitterPost":"LOST10 has cast Yuki Saito and Kenji Iwaya, bringing its announced roster to eight. Saito plays Harune, Iwaya plays police chief Awashima. The last two cast members drop September 11. The TBS Friday drama starts in October.","threadsPost":null,"newsletterBlurb":"TBS's Friday drama LOST10 has added Yuki Saito and Kenji Iwaya to its cast, bringing the announced roster to eight of ten. Saito plays a missing hiker's family member, Iwaya plays the police chief above Ryusei Yokohama's detective. The final two roles will be revealed on September 11, ahead of the October premiere.","attributionJson":"[{\"source\":\"Cinema Today\",\"url\":\"https://www.cinematoday.jp/news/N0156728\",\"title\":\"横浜流星主演「LOST10」斉藤由貴＆岩谷健司が参戦決定！残すは2名\"}]","lintFlagsJson":null,"lintHits":0,"costUsd":0,"inputTokens":4943,"outputTokens":3414,"status":"published","repairAttempts":0,"nextRepairAt":null,"factsAttemptedAt":null,"createdAt":"2026-09-04T10:01:06.000Z","publishedAt":"2026-09-04T10:04:05.000Z","updatedAt":"2026-09-04T10:04:05.000Z"},"cluster":{"id":"c_db37977afad4314bad422409","canonicalTitle":"横浜流星主演「LOST10」斉藤由貴＆岩谷健司が参戦決定！残すは2名","representativeArticleId":"a_19979f3237997c1ae658e081","sourceCount":1,"writtenSourceCount":1,"writeAttempts":0,"isSolo":true,"entitiesJson":"{\"anime_titles\":[],\"manga_titles\":[],\"work_titles\":[\"LOST10\"],\"studios\":[],\"people\":[\"Ryusei Yokohama\",\"Yuki Saito\",\"Kenji Iwaya\"],\"type\":\"announcement\",\"domain\":\"other\",\"is_roundup\":false}","contentType":"news","status":"published","firstSeenAt":"2026-09-04T09:00:00.000Z","lastSeenAt":"2026-09-04T09:00:00.000Z","updatedAt":"2026-09-04T10:04:04.000Z"},"attribution":[{"source":"Cinema Today","url":"https://www.cinematoday.jp/news/N0156728","title":"横浜流星主演「LOST10」斉藤由貴＆岩谷健司が参戦決定！残すは2名"}],"entities":{"anime_titles":[],"manga_titles":[],"work_titles":["LOST10"],"studios":[],"people":["Ryusei Yokohama","Yuki Saito","Kenji Iwaya"],"type":"announcement","domain":"other","is_roundup":false},"keyFacts":null}