Lee Hyun Woo has become the latest star to join the cast that comprises of Korean stars like Park Hae Soo who will play Berlin, Jeon Jong Seo as Tokyo, Lee Won Jong as Moscow, Kim Ji Hoon as Denver, Jang Yoon Joo as Nairobi, Kim Ji Hoon as Helsinki, Lee Kyu Ho as Oslo and Yoo Ji Tae as the Professor.