The Billionaire, also known as Top Secret: Wai Roon Pan Lan, is a 2011 Thai biographical drama film produced by Nadao Bangkok and released by GTH. It was directed by Songyos Sugmakanan, and stars Pachara Chirathivat, Somboonsuk Niyomsiri and Walanlak Kumsuwan. The Billionaire tells the story of Itthipat Kulapongvanich and how he, at the age of nineteen, dropped out from university to launch a packaged fried seaweed business that is now Taokaenoi Food & Marketing and became one of Thailand's youngest (baht) billionaires. It grossed 38,796,264 baht.