
William Jakrapatr Kaewpanpong is a quarter-American Thai singer, guitarist, pianist and main vocalist of the boy group LYKN signed under GMMTV and Riser Music. He was previously a vocalist and guitarist in the band Broccoli. Originally from Hat Yai, he graduated from Mahidol University's Young Artists Music Program before going on to study in Mahidol University's College of Music majoring in musical theatre and was a territorial defense student. During the finale of "Project Alpha," William was crowned King of Alpha. Two months later, on May 5, 2023, LYKN's debut single "May I?" was released. His first solo single, "Last Twilight" was released on January 5, 2024. After William made his acting debut with a starring role in the short film "No Worries" in 2023, he went on to book his first series with a starring role in "Thame-Po Heart That Skips a Beat".

Sound Check
TV • 2021

Me and Thee
TV • 2025

ThamePo: Heart That Skips A Beat
TV • 2024

Project Alpha
TV • 2022

Thailand Music Countdown
TV • 2024

School Rangers 2024
TV • 2024

A Free Meal Chance. May Pepsi Treat You?
TV • 2023

Alpha Lab
TV • 2022

You Maniac
TV

The Golden Singer
TV • 2023

No Worries
MOVIE • 2023

LYKN Day1 to Debut
MOVIE • 2023