Kay Lertsittichai: Movies & Filmography

Kay Lertsittichai, also known by his online alias Kayavine, was born on 12 December 1996 in the province of Nakhon Pathom, Thailand. Growing up, he attended Sukhondheerawidh School where his academic promise earned him a place as an international exchange student at Guilford High School in Illinois, United States, exposing him to Western culture and digital media trends. After returning to Thailand, he pursued higher education at the University of Wisconsin–Whitewater, graduating in 2019 with a bachelor's degree in mathematics, emphasizing actuarial science, a discipline that sharpened his analytical mindset. In 2016, while still a student, Kay launched his YouTube channel Kayavine, initially focusing on reaction videos, vlogs, and product reviews, quickly attracting a youthful audience drawn to his energetic presentation and sincere personality. By December 2020, the channel surpassed one million subscribers, a milestone that reflected his consistent upload schedule and ability to blend humor with thoughtful commentary. His content often features bold visual edits and italic textual overlays, creating a distinct brand that resonates with fans across Southeast Asia. The channel’s rapid growth also earned him representation by GMMTV, a major Thai entertainment company, expanding his reach beyond digital platforms. In addition to his online fame, Kay made his acting debut with a leading role as Gunkan in GMMTV’s 2020 drama Who Are You, showcasing his versatility and natural on‑screen charisma. Critics praised his performance for its emotional depth and comedic timing, noting how his background in online storytelling informed his nuanced portrayal. Since then, he has continued to balance acting projects with his thriving YouTube presence, leveraging cross‑media promotion to engage both fans of his series and long‑time subscribers. His dual career path illustrates the evolving nature of modern Thai entertainment, where digital influencers transition seamlessly into traditional media, inspiring a new generation of creators. Looking ahead, Kay remains committed to expanding his artistic repertoire while maintaining the authentic connection that first endeared him to audiences worldwide.