Rattanawadee Wongthong (Thai: รัตนวดี วงค์ทอง; born 22 May 2004), nicknamed Mim (Thai: มิ้ม), is a Thai actress and model. Her breakthrough came in 2023 with her first major film role as Yam in the horror film Death Whisperer, a performance that was both critically acclaimed and commercially successful. She reprised this role in the sequel, Death Whisperer 2. In 2024, she signed with GMMTV and she continued to diversify her roles, taking on sapphic characters in the television series Us (2025) and Girl Rules (2026).
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Early life and education
Rattanawadee was born in Bangkok, Thailand. She is the oldest daughter in her family and has two younger siblings.
She completed her secondary education at Nawaminthrachinuthit Satriwitthaya 2 School, then she attended Sripatum University by studying law for a year before moving to Faculty of Fine Arts Srinakharinwirot University, majoring in acting and directing.
Career
Rattanawadee began her career as a child actress making her feature in 2019 television series Plerng Prang Tian and Si Mai Khan as the younger version of the characters. She also appeared in My Himalayan Embrace and Watsanarak in the following year.
In 2021, she starred as Kimchi in Help Me! Oh My Ghost. She also played as Marin in the 2022 television series My Coach.
In 2023, she rose to fame after landing her first major film role as Yam, who fell victim to a malevolent spirit in the hit horror film Death Whisperer.
In 2024, she played the main roles in several television series. It was also announced that she signed with GMMTV in August right after RISER MUSIC revealed that she would be starring in Norawit Titicharoenrak's music video for "เหนื่อยหน่อยนะ" (SOMEONE LIKE ME). Then, she reprised her role as Yam in the 2024 horror blockbuster film Death Whisperer 2.
In 2025, she played sapphic roles in both television series Us and Sweet Tooth, Good Dentist alongside Benyapa Jeenprasom (View).
In 2026 Mim and View star in the series Girl Rules along with two other GMMTV couples – Milk/Love and Namtan/Film. She also stars in upcoming girls' love TV series Bake Love Felling alongside View.