[4] In 2013, Thanapob joined Nadao Bangkok and was cast in the popular Thai TV show, Hormones: The Series directed by Songyos Sugmakanan, playing the role of Phai.

[11] Thanapob debuted as one of the members of the Thai boy group Nine by Nine, a special by 4nologue and Nadao Bangkok in 2018.

[12] As an actor, Thanapob said that he struggled in dancing at first due to his minimal skills and uncomfortable feeling because of his height and limbs.

As they underwent months of intensive training he felt his improvement because of his co-members' inputs and encouragement from their fans.

[18][19][20] After the Nine by Nine project, he took another lead role for television with the action drama series Man of Vengeance (2019) which aired on One 31.

[24][25] In 2021, he was recognized by HOWE Thailand magazine and has been included in its Top 50 Most Influential People List, for his excellence in acting and his contribution to the industry as an influencer and brand endorser.

[26] Thanapob stayed with Nadao Bangkok as one of its actors until the company formally scaled back on its artist management operations on 1 June 2022.