Question: My Son starred the actor who began his career in which field in the 1990s?
Related documents: [0]  [DOC] My Son () is a 2007 South Korean film written and directed by Jang Jin, starring Cha Seung-won and Ryu Deok-hwan. For his performance, Cha won Best Actor at the 15th Chunsa Film Art Awards in 2007. [END] 
[1]  [DOC] Cha Seung-won (born 7 June 1970) is a South Korean actor who his career as an in-demand fashion model in the 1990s. Cha achieved stardom through the hit comedy films "Kick the Moon" (2001); "Jail Breakers" (2002); "My Teacher, Mr. Kim" (2003); and "Ghost House" (2004). After proving his versatility in other genres, notably in the period thriller "Blood Rain" (2005) and the melodrama "My Son" (2007), Cha's popularity continued with the television series "Bodyguard" (2003), "City Hall" (2009), and "The Greatest Love" (2011). [END] 
Answer: 
fashion model
fashion model