Question: What Nationality are the actors that are in a movie that is based on the Japanese novel "Journey Under the Midnight Sun".
Related documents: [0]  [DOC] White Night (; lit. "White Night: Walking Through White Darkness") is a 2009 South Korean mystery thriller starring Han Suk-kyu, Son Ye-jin and Go Soo. It was based on the Japanese novel "Journey Under the Midnight Sun" by Keigo Higashino. [END] 
[1]  [DOC] Go Soo (born October 4, 1978), also known as Ko Soo, is a South Korean actor. He has appeared in television series such as "Piano", "Green Rose" and "Will It Snow for Christmas?", as well as the films "White Night" and "The Front Line". [END] 
Answer: 
South Korean
South Korean