Goro Inagaki's journey in the entertainment industry began when his older sister submitted his artwork to the renowned Johnny's Jimusho, a prestigious talent agency in Japan specializing in male talent. This pivotal moment in his life led to his eventual inclusion in the iconic Japanese group SMAP, comprising esteemed members Masahiro Nakai, Takuya Kimura, Katsuyuki Mori, Tsuyoshi Kusanagi, and Shingo Katori.
Formed in the late 1980s, SMAP became a household name in Japan, renowned for their multifaceted talents in acting, variety shows, singing, and dancing. The group's enduring popularity is a testament to the individual and collective efforts of its members. Notably, each member has successfully pursued their own careers, with Goro Inagaki making a mark in international cinema, appearing alongside Masahiro Nakai in the 1980s film "Private Lessons".