He started his career as a child actor, drawing attention for his roles in the television shows Seoul Ttukbaegi (1990) and Hyung (1991).

[3] Yang continued acting, gaining popularity for his roles in the television shows New Nonstop (2002) and Ruler of Your Own World (2002).

[5] His comeback project after being discharged from the military was in film Grand Prix with Kim Tae-hee.

It is about the true life story of Lieutenant Lee Jong-myung, who lost his legs in a land mine explosion near the demilitarized zone, in June 2000, when he saved fellow soldier, Sul Dong-seob from the minefield.

[8] In 2016, he and his daughter Yang Joy joined as a member of KBS variety show The Return of Superman.