[1] He is best known for his roles in the popular serials Shaka iLembe, The River, The Gamechangers, Kalushi: The Story of Solomon Mahlangu and a short film called Ngeculo.
After completing the diploma, he moved to City of Gold in Johannesburg to pursue acting career.
[5] In 2023 he played a major role on South African series on Showmax which includes Shaka Ilembe, Adulting and Outlaws.
In June 2024, Mthembu received a Best Actor nomination by the Simon Mabhunu Sabela Film and Television Awards for his role in Shaka Ilembe.
[2] In 2017, he obtained a diploma in drama and production studios from Durban University of Technology.