Reparto

• Yoo Ji-tae — The Professor
• Park Hae-soo — Berlin
• Kim Yun-jin — Seon Woo Jin
• Jun Jong-seo — Tokyo
• Lee Won-jong — Moscow
• Kim Ji-hoon — Denver
• Jang Yoon-ju — Nairobi
• Lee Hyun-woo — Rio
• Kim Ji-hun — Helsinki
• Lee Kyu-ho — Oslo
• Park Myung-hoon — Cho Young Min
• Kim Sung-oh — Cha Mu Hyeok
• Lee Joo-bin — Yun Mi Seon