Gunsmile Chanagun Arpornsutinan is a mixed Thai-Chinese actor, singer, and musician born in Bangkok, Thailand to a Chinese father and a Thai mother. He studied high school at the Suankularb Wittayalai School. When he was younger, he studied to become a soldier. He then switched to becoming a lawyer, before enrolling at Bangkok University in the department of Communication Arts. In 2019, he completed a Bachelor's degree at the Department of Radio and Television Broadcasting at the Faculty of Communication Arts of Bangkok University with second-class honours. His debut and first supporting role was in "Love Sick: The Series" (2014), which was followed by a second season. Arpornsutinan was later signed to GMMTV. His dream is to be able to become recognized as a singer, as with his favourite group, Bodyslam. Gunsmile has interpreted themes as "Passed" for "Love Sick: The Series" (2014) and "Yah Pit" (cover of Bodyslam) for "War Of Convent The Series" (2016). He also has a clothing and fashion accessory brand named VERLENCHOR, formerly known as XWHYSEE and, since 2020, he owns a restaurant called "3meena" in which the head chef is his mother. On December 31, 2022, Gunsmile announced his departure from GMMTV via Twitter. (오뜨랑에서 실시간으로 번역된 한글 프로필도 확인할 수 있어요) 2026년 두앙 윗 유: 두앙과 함께에서 Smile 역을 맡았다. 2025년 เจ้าคุณพี่กับอีนางคำดวง에 출연했다. 2024년 ชุลมุนกางเกงน้ำเงิน에서 Drum Vendor 역을 맡았다.