Glumci

• IU — Go Ha-jin / Hae Soo
• Lee Joon-gi — Wang So
• Kang Ha-neul — Wang Wook
• Nam Joo-hyuk — Wang Yoo
• Ji Soo — Wang Jung
• Hong Jong-hyun — Wang Yo
• Yoon Sun-woo — Wang Won
• Baekhyun — Wang Eun
• Kang Han-na — Hwangbo Yeon-hwa
• Kim San-ho — Wang Mu
• Jo Min-ki — King Taejo
• Park Ji-young — Queen Yoo
• Sung Dong-il — Park Soo-kyung
• Kim Sung-kyun — Choi Ji-mong
• Park Si-eun — Madam Hae
• Seohyun — Woo-hee
• Jin Ki-joo — Chae-ryung
• Z.Hera — Park Soon-duk
• Woo Hee-jin — Court Lady Oh