At the age of 23, he began working as a voice actor after joining Korean Broadcasting System's Voice Acting Division.[3] Shortly after, he debuted with one of the supporting roles on the digital restoration of a 1976 South Korean animated film Robot Taekwon V.[4] In 2003, before starting his career, Nam participated in dubbing of the action video game Mobile Suit Gundam: Encounters in Space. He voiced one of the soldiers and the pilots, as a winner of a game-related event at that time.[citation needed]
Nam made his screen debut with the 2013 film No Breathing. In the early part of the film, he could be seen performing the role of a sports commentator.[10]
This movie is the digital restoration of a 1976 film under the same title. It was South Korea's highest-grossing domestic animated film, drawing 720,000 viewers at that time until the record was broken by Leafie, A Hen into the Wild four years later.[21]
The ending title for the Korean dub of Transformers: Prime is based upon a video shot by Goo Ja-hyeong (South Korean voice actor),[43][44][45] who dubbed Megatron on the show.[46] The title aired only when the first season of the show ended. In this video, Nam appears for a moment, with a scene in which Raf Esquivel is running.
^Song, Ji-won (15 February 2010). "성우, 그들이 사는 세상?"…4人의 설설토크. Sports Seoul (in Korean). Archived from the original on 28 September 2013. Retrieved 9 January 2012.
^"KBS 성우극회 소개: 기수별 명단" (in Korean). Korean Broadcasting System Voice Acting Division. Archived from the original on 12 January 2013. Retrieved 9 January 2012. See a row beginning with "제 32 기 2006" on the table.
^(in Korean)남도형 :: 네이버 인물검색, See "데뷔" and "2006년 애니메이션 '로보트 태권브이'".
^(in Korean)남도형 :: 네이버 인물검색, See "2010년" and "KBS 슬럼독 밀리어네어 (자말 역)".
^(in Korean)남도형 :: 네이버 인물검색, See "2010년" and "KBS 꼬마과학자 시드 (시드 역)".
^(in Korean)남도형 :: 네이버 인물검색, See "2011년" and "KBS 명화극장 허트 로커 (엘드리지 역)".
^(in Korean)남도형 :: 네이버 인물검색, See "2011년" and "KBS 명화극장 그레이티스트 (라이언 역)".
^`불운한 황녀` 덕혜의 일생. DigitalTimes (in Korean). 9 December 2011. Retrieved 3 February 2012. See "남도형(2006년 애니메이션 로버트 태권브이)" on a paragraph beginning with "오디오북으로 제작된 덕혜옹주는".
^Jin, Hyeon-cheol (18 December 2011). 써니·활·도가니…반신반의 영화들, 올해의 ‘승부사’[2011영화 결산①]. Maeil Business (in Korean). Retrieved 30 August 2012. See "‘마당을 나온 암탉’은 220만명이 봐 한국 애니메이션 최고 흥행 성적을 가진 2007년 디지털 복원판 ‘로보트 태권V’(72만명)를 뛰어 넘으며 애니메이션 역사를 새로 쓰게 했다."