Chai Chatayodom Hiranyatithi is an actor, model, and director. He won Best Actor at the 2007 Komchadluek Awards and Mue Dok Rak Ban in 2008. That same year, Chai also won Best Leading Actor from TV Gold Award in Mue Dok Rak Ban. In 2011, he won Best Supporting Actor from Natataj Awards in Sai Soke. In May 2024, for his work on "To the Moon and Back" (มาตาลดา), he won Best Actor in addition to Best Supporting Actor for his work on "The Betrayal" ( เกมรักทรยศ) at the Komchadluek Awards. In June 2024, he won Actor of the Year at the year's 9entertain Awards.

Chai is married to actress Vicky Sunisa Jett. The two met on the set of the 2008 TV drama “Phik Tai Kub Bai Khao.” They have two sons; Tristan was born in March 2017 and Tyler was born February 2021. His younger brother Boromwuti Hiranyatithi is also an actor.