Shin Seung-ho made his acting debut in the hit 2018 web drama A-Teen and reprised his role in its second season that aired in 2019. Shortly after, he landed his first television acting gig in the JTBC drama A Moment at Eighteen. In 2020, he starred in the KBS2 short drama series How to Buy a Friend, which earned him a Best Actor nomination at the KBS Drama Awards. In 2021, he was paired with Red Velvet’s Irene in the film Double Patty, which served as their big screen debut. That same year, he appeared in the Netflix original drama D.P.

Prior to his foray into the entertainment world, Shin Seung-ho played football from middle school until he was a sophomore in college.