ณัฐวรรธน์ จิโรชน์ธิกุล

Fourth Nattawat Jirochtikul is an actor from Bangkok. He was nicknamed Fourth as he was born on King Rama IV's 200th birthday. After getting his start in the company's "Thailand School Star 2019" contest, Fourth signed with GMMTV. He graduated from Saint Gabriel's College by taking the grade twelve equivalency test. He is currently a student at Chulalongkorn University's Faculty of Law.

Fourth made his acting debut in the GMMTV series "F4 Thailand" and is well known for his role in "My School President."

He's the owner of the clothing brand Nu Mo Ne (นิว โม เนะ).