Ryeoun is an actor born Go Yoon Hwan in Wansan-gu, Jeonju, Jeollabuk-do, South Korea. He graduated from the department of performing arts of Seokyeong University, majoring in acting. He made his acting debut in the 2017 SBS drama "Temperature of Love" (사랑의 온도). He won the Best New Actor award at the SBS 2022 awards. In 2023, he had his first and second television lead roles in The Secret Romantic Guesthouse and Twinkling Watermelon.

Filmography

• Bloody Flower — Lee Woo-gyeom
• 2026OK! Madam: Bon Voyage — Im Ji-hoon
• Cringy Romance — No Jun Seok
• History of Scruffiness — Noh Jun-seok
• Namib — Yu Jin-woo
• Death's Game — Youngest PD
• The Secret Romantic Guesthouse — Kang San
• Twinkling Watermelon — Ha Eun-gyeol
• Through the Darkness — Jung Woo-joo
• Weak Hero — Park Hu-min
• Adult Trainee — Nam Ho
• 18 Again — Hong Shi-woo
• Homemade Love Story — Lee Ra-hoon
• The World of My 17 — Yoo Jin-hyuk
• IN-SEOUL — Yoon Sung-hyun
• Instant Romance
• My Borrowed Body — Yoon Ho-young
• TYGO
• The World They Date — Shin Se-wool

Appearances as themselves (1)

• SBS Drama Awards — Self