Xiao Zhan, also known as Sean Xiao, is a Chinese actor and singer. Xiao Zhan began his career in the entertainment industry when he participated in the idol survival show X-Fire and debuted as a member of the Chinese boy group X Nine. He started his acting career in 2016 and has since won widespread attention for his dramas, including The Untamed (2019), Joy of Life (2019), The Wolf (2020), Douluo Continent (2021), The Oath of Love (2022), The Youth Memories (2023), The Longest Promise (2023) and Sunshine by My Side (2023). He has won numerous awards and nominations for his roles.

The Untamed is a 2019 Chinese television series adapted from the danmei novel Mo Dao Zu Shi by Mo Xiang Tong Xiu, starring Xiao Zhan and Wang Yibo. It follows the adventures of two soulmate cultivators who travel to solve a series of mysteries that link to a tragic event in the past.