Two friends accidentally drift from North Korea into South Korea after falling asleep during a fishing trip. Broke and unable to get home, they enter a singing contest whose grand prize is a trip to North Korea!
| Actor | Role |
|---|---|
 Jung Jun-hoChoi Baek-doo | Choi Baek-doo |
 Gong Hyung-jinLim Dong-hae | Lim Dong-hae |
 Ryu Hyun-kyungNa-ra | Na-ra |
 Park chulDetective Ahn | Detective Ahn |
 Park Sang-wookDetective Park | Detective Park |
 Han MinSu-yeon | Su-yeon |
| LLee Hye-miYeon-jung | Yeon-jung |
 Song HaeMC | MC |
 Kim Won-heeGuesthouse | Guesthouse |
 Oh Ji-hyeChinese restaurant | Chinese restaurant |
 Lee Jae-ryongJet Ski | Jet Ski |
 Song Yong-taeNa-ra's father | Na-ra's father |
 Jeon Jin-giBoatswain | Boatswain |
 Shin Hyun-takJin-man | Jin-man |
 Jung Kyung-soonChicken Skewers | Chicken Skewers |
| PPark Yun-hoWanted fugitive | Wanted fugitive |
 Kim Kwang-kyuDetective | Detective |
| PPark Jeong-wooAgent | Agent |
| LLee In-huiFisher | Fisher |
 Han Jae-yeongDuty police | Duty police |