ณัฐฐา​กร​ เสนีวงศ์​ ณ​ อยุธยา

"Fiat" Natthakorn Seniwong Na Ayuthaya is an actor. He studies in the Faculty of Communication Arts at Maejo University.

In 2022, Fiat was a trainee under "Project Alpha," ultimately dropping out shortly before it aired owing to health concerns.