Thanaphon U-sinsap (; born 4 July 2000), nicknamed Leng (), is a Thai actor under GMMTV. He made his acting debut in 2021 in the series The Folly of Human Ambition, appeared in Oh, Teacher Khong in 2022, starred in the BL series Kidnap on GMMTV and Netflix in 2024, starred in Mu-Te-Luv in 2025, and will star in Love Destiny in 2026.
Career In 2024, Thanaphon landed his first leading role in Kidnap (ลับ-จ้าง-รัก), playing Q (Harit Yuenyongwisut) alongside Pawat Chittsawangdee (Ohm). In November 2024, during GMMTV's "Riding the Wave" event, it was announced that Thanaphon and Pawat would star together in Only Friends: Dream On. In March 2025, GMMTV officially announced that duo would end their partnership as an on-screen pair. As a result, both were replaced in future projects. Thanaphon left the cast of Only Friends: Dream On, replaced by actor Tharatorn Jantharaworakarn (Boom). In 2025, he starred in the segment Hello, Is This Luck? of GMMTV's anthology series MuTeLuv, playing Nine. In July 2026, is currently starring in Love Destiny, playing Gaew / Great, a BL remake of the hit 2018 Thai series.
Filmography Television series Year Title Role Notes Network 2021 The Folly of Human Ambition Big Guest role Amarin TV 34 HD 2022 Oh, Teacher Khong Tong Workpoint TV 2024 Kidnap "Q" Harit Yuenyongwisut Main role GMM 25 2025 MuTeLuv: Hello, Is This Luck? Nine 2026 Love Destiny Gaew / Great Channel 3 HD
Music video appearances Year Title Artist Label 2024 "แข็งใจ (Hard-Hearted)" Ohm Pawat GMMTV Records 2026 "โอ้...หัวใจ (Oh...My Heart)" August Vachiravit CUU Entertainment
Discography Singles Soundtrack appearances Year Title Soundtrack Label 2024 "รักพา (Love Leads)" with Ohm Pawat Kidnap OST GMMTV Records "มากพอ (More Than Enough)" 2026 "有你的烟火 (Destiny Sparks)" with August Vachiravit Love Destiny OST CUU Entertainment
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