Phakphum Romsaithong

Phakphum Romsaithong was born on January 5, 1992, in Kalasin, Thailand, to the affluent Romsaithong family. The family is reported to own hotels and malls in Thailand. In 2017, he graduated from Thammasat University with a bachelor's degree from Faculty in Journalism and Mass Communication.Mile became known on the TU Sexy Boy stage, worked as a DJ for the PYNK 98 FM radio station, and has released music under the label Luster Entertainment. He appeared in a music video for Thai singer Jodai and even tried out for the singing reality show The Star. In 2018, he played the role of Poon in the TV drama Turmeric Love with Plaster, which aired on Line TV. In 2020, he starred in the short film Ladytwenty.

Mile gained significant attention in the entertainment industry through his role in the 2021 Thai BL drama KinnPorsche, where he starred alongside Nattawin Wattanagitiphat. Despite his success in acting, Romsaithong didn't originally intend to pursue a career in this field. In an interview with Harper's Bazaar Singapore, he confessed that acting had never crossed his mind before. "I've always had a passion for business and strategic planning", he revealed to the publication. The series achieved global success, garnering a widespread fan base and sparking a five-city Asia tour to Singapore, Seoul, Manila in the Philippines, Ho Chi Minh City in Vietnam, and Taipei in Taiwan, all due to its popularity.

In February 2023, Phakphum attended the Dior Winter Fashion Show in Paris, France. In June 2023, Mile and Apo were designated as brand ambassadors for the luxury brand Dior.

He marked his big-screen debut with the 2023 Thai political-thriller film Man Suang, starring alongside his KinnPorsche co-star, Apo. The film received acclaim after making its debut at the 2023 Cannes International Film Festival. The film has already accumulated over THB 24.2 million within the first four days of its release in Thailand.