Don't confuse me

Glavne uloge:

Min-Kyu Kim  >  Kang Ji Wook
Lee Yoon-hee  >  Cha Ki Bok
Eum Moon-suk  >  Han Dal Sik
Yoon Soo  >  Ko Kwang Tae
Kim Ji-Hyeon  >  Choi Da Soon (Dae Hyun's sister)
Lee Byung-joon  >  Choi Yong Pil
Woo Hyeon  >  Kwon Eui Chu
Kim Yoo-jung  >  Jung Saet Byul
Ji Chang-wook  >  Choi Dae Hyun
Sun Hwa Han  >  Yoo Yeon Joo
Kim Sun-young  >  Kong Boon Hee
Sang-woo Do  >  Jo Seung Joon
Jae-Ho Heo  >  Department Head Bae
Sol-bin Ahn  >  Jung Eun Byul