
Mark Siwat Jumlongkul is a Thai actor, singer, dancer, and model best known for his portrayal of Kengkla in the 2018 drama Love By Chance and its 2020 sequel, A Chance to Love. He is studying in the faculty of social communication at Srinakharinwirot University (SWU). He made his debut as a singer with his first digital single "Sigh" on October 9, 2020. He also owns his own clothing brand named "BLVR."

Homeroom
Copter · (16 episodes)
2025

Jack & Joker: U Steal My Heart!
Aran · (13 episodes)
2024

Haunted Universities 3
Halay (segment "The Invisible Shrine")
2024

Dear Kitakyushu
2023

Escape to Homestay
Gunn · (8 episodes)
2023

School Tales the Series
Boy · (1 episode)
2022

You Light Up My Life Again
Charlie · (12 episodes)
2022

Love Mechanics
Man at market · (1 episode)
2022

Rose In Da House
Mark · (7 episodes)
2022

Meow Ears Up!
Porsche · (1 episode)
2022

Bite Me
Aek · (11 episodes)
2021

Art of The Devil
Dan · (8 episodes)
2020

The Stranded
Jack · (7 episodes)
2019

TharnType
Kengkla · (2 episodes)
2019

With Love
Kun · (20 episodes)
2019

Homestay
Senior with the Blue Armband
2018

Love By Chance
Kengkla · (27 episodes)
2018

I Am Your King
August · (5 episodes)
2017

Soul Call
Be · (6 episodes)
2017