Ahn Dong-goo made his television acting debut in the 2019 JTBC series The Wind Blows, where he played the young counterpart of Kam Woo-sung’s character. In 2020, he appeared in JTBC’s I’ll Find You on a Beautiful Day and KBS2’s Soul Repairer. That same year, he starred in a short film called Subject. He also became part of the Netflix apocalyptic horror series Sweet Home. In 2021, he was cast in supporting roles in SBS’s Our Beloved Summer and JTBC’s Snowdrop.

Ahn Dong-goo attended Hanyang University.