Series Cast 10

1. 

   Kim Rae-won

   Kim Hyun-woo (16 Episodes)

2. 

   Kim Tae-hee

   Lee Soo-in (16 Episodes)

3. 

   Lee Jung-jin

   Hong Jung-min / Alex Hong (16 Episodes)

4. 

   Min Kim

   Yoo Jin-ah (16 Episodes)

5. 

   Kang Nam-gil

   Oh Young-jae (16 Episodes)

6. 

   Joo Hyun

   Lee Yong-goo (16 Episodes)

7. Ben Wells

   Ricky Don (16 Episodes)

8. 

   Frank Gorshin

   Professor John H. Keynes (16 Episodes)

9. 

   Seo Ji-hee

   Chun Da-woon (16 Episodes)

10. 

    Kim Chang-wan

    [Soo In's doctor] (16 Episodes)

Series Crew 1