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Billkin (Putthipong Assaratanakul)
Also known as: บิวกิ้น · พุฒิพงศ์ อัสสรัตนกุล
Agency: Billkin Entertainment
Date of birth: 8 October 1999 (26 years old)
Country: Thai
Place of birth: Bangkok, Thailand
Occupation: Singer, actor
Solo debut: April 23, 2020
Height: 176 cm
Blood type: B
"Billkin" Putthipong Assaratanakul is an actor and singer of Chinese descent born in Bangkok, Thailand. After graduating from St. Gabriel's College, he studied business administration in the international programme at Thammasat University's Business School, majoring in marketing before going on to study towards a master's degree in England.
Billkin got his start in the entertainment industry as an actor under Nadao Bangkok (นาดาวบางกอก). He did some runway modeling and acting. In 2021, Billkin won Best Actor in an Online Series award at the prestigious Nataraja Awards 2021 for his role in "I Told Sunset About You" (แปลรักฉันด้วยใจเธอ). In 2024, he won Best Leading Actor at the 61st Asia Pacific Film Festival for his performance in "How to Make Millions Before Grandma Dies" (หลานม่า) and in 2025, he was awarded Best Actor at the Thailand Box Office Awards 2024 for the performance and the 33rd Suphannahong Best Actor award.
Billkin started performing as a singer with "You Are My Everything," the official soundtrack of "My Ambulance" (รักฉุดใจนายฉุกเฉิน). This later led him to release his first single under Nadao Music featuring fellow Nadao Bangkok artist Jaylerr, "Kot Nai Chai" (กอดในใจ). He made Most Streamed Thai Male Artist 2021 of Spotify Wrapped 2021. At the TOTY Music Awards 2022, Billkin won Song of the Year by a Male Artist for "I Like Us" (ชอบตัวเองตอนอยู่กับเธอ). At The Guitar Mag Awards 2023, he won Star Single Hits of the Year.
Billkin was signed under Nadao Bangkok from 2017 to 2022 before taking up his own management under Billkin Entertainment (บิลกิ้น เอนเตอร์เทนเม้นท์).
Personal brands
Events
31OctSat
Subscribers only
19DecSat
Subscribers only
13MarSat
Subscribers only
Career timeline
2026
- showThe Celebrities · (Ep. 4)
- showRunning Man Thailand · (Ep. 1)
- albumBillkin Feelquency
2025
- movieThe Red Envelope · Menn
- showThe Story 2025 · {The Red Envelope} (Ep. 3)
- albumGrow With The Flow
2024
- showThailand Music Countdown · (Ep. 11, 24)
- movieHow to Make Millions before Grandma Dies · M
- showBus the Debut Documentary · (Ep. 1)
- showThe Story 2024 · {Lahn Mah} (Ep. 13)
- showFandom Unseen
2023
- showFandom · (Ep. 1)
- show789 Survival · (Ep. 7-9)
- showKleur Wonder · (Ep. 92)
- showMask Singer 12 · "Potato" [Panellist] (Ep. 13)
- seriesPen Tor 2023 · Benz (Ep. 22)
- EPLove's Apprentice
2022
- showThe Story · {You & Me & Me} (Ep. 16)
- showBillkin x PP Krit Live in Tokyo: The Documentary
- showLay's on Cruise
2021
- showT-Pop Stage Show · (Ep. 7, 36, 59, 75)
- showCCND · (Ep. 2)
- showThe Star Idol · (Ep. 14)
- showShining in My Eyes: Behind the Scene
- seriesShining in My Eyes · [Singer]
- seriesI Promised You the Moon · "Teh" Krittakorn Sae-tan
- showI Promised You the Moon: The Documentary
- movieLast Twilight in Phuket · "Teh" Krittakorn Sae-tan
- showWoody Live · (Ep. 8)
- showKrahai Lao · (Ep. 12)
- showNADAO x OPPO: Behind the Scene
- showBring It Down a Notch, Zani · (Ep. 106)
- seriesNADAO x OPPO · [Art Director]
- showPreawpak 2021 · (Ep. 29)
2020
- showI Can See Your Voice Thailand Season 4 · [Guest artist] (Ep. 21)
- showI Told Sunset about You: The Documentary
- seriesI told sunset · "Teh" Krittakorn Sae-tan
- showFinnn Land · (Ep. 5)
- showThe Wall Song · (Ep. 56, 78, 200)
- showCloser Than Ever
- showGoyNattyDream - Would You Love Us If We Love You · (Ep. 18)
2019
- showTee Tai Krua · (Ep. 121)
- seriesOne Year · "Porsche" Phutthipong Assaratanakul
- showJourney of Life · (Ep. 93)
- showGuess My Age · (Ep. 226-227)
- seriesMy Ambulance · Tao
- showTer Chantavit and His Gang · (Ep. 4)
- showHomelywood · (Ep. 12)
- showNung Na Rong: Interviews · {I Promised You the Moon}
- showOpal All Around Season 3 · (Ep. 6)
2018
- showWoody FM · (20221214)
- showTalk with Toey One Night · (Ep. 61)
- movieBrother of the Year · Bon
- showThe Driver · (Ep. 84, 171, 271)
2017
- seriesPlease... Siang Riak Winyan · Tle
- showGame of Teens · [Guest] (Ep. 1-2) / [Special Host] (Ep. 23, 29-30, 39-42)
2016
- showLove Missions
Trivia
- Born in Bangkok, Thailand
- Of Chinese descent
- Has two elder brothers and is the youngest of three
- His father inspired his name from Disney characters, planning Eeyore but his siblings have Mickey and Winnie
- Fluent in English
- Educated at St. Gabriel School and Thammasat University, Faculty of Commerce and Accountancy
- Studied towards a master's degree in England
- Was a main host of the Thai online show Love Missions in 2016
- Became active in acting and singing in 2016, landing his first role in 2017 in Please... Siang Riak Winyan, for which he sang the OST
- Also worked as a runway model
- Achieved popularity through acting and singing the OST for My Ambulance in 2019
- Most well known for the BL series I Told The Sunset About You and its sequel I Promised You The Moon
- Brand Ambassador for Gucci
- Close friend of PP Krit; they have collaborated on multiple projects and songs
- Owns several businesses including Billkin Entertainment founded in 2022, Wital wellness brand, and Caremate with PP Krit
- Has loved singing since taking vocal lessons outside of kindergarten
- Enjoys playing football
- Strives to be himself and remain authentic
- His favorite film is Parasite
- Believes acting becomes harder with age; found it easier in his youth
- Appreciates sincere people
- Loves nature and enjoys visiting national parks
- His favorite English words are passionate and sincere
- Combines work and life rather than maintaining balance; finds happiness in daily work
Music video appearances
- No One Else - "แค่เธอเท่านั้น" (2018)
- Bell Supol - "Tao Rai Kor Mai Por" (2022)