Series Cast 12

1. 

   Lee Si-kang

   Cha Seo-joon (105 Episodes)

2. 

   Lee Chae-young

   Han Yoo-ra (105 Episodes)

3. 

   Kang Eun-tak

   Lee Tae-pung / Yoo Min-hyuk (105 Episodes)

4. 

   Uhm Hyun-kyung

   Han Yoo-jung (105 Episodes)

5. 

   Kim Jung-don

   Baek Min-won (105 Episodes)

6. 

   Oh Chae-eun

   Dong-ho's Kindergarten Teacher (105 Episodes)

7. 

   Eru

   Choi Joon-seok (105 Episodes)

8. 

   Yang Mi-kyung

   Lee Kyung-hye (105 Episodes)

9. 

   Seo Woo-jin

   Han Ho-dong / Lee Min-woo (105 Episodes)

10. 

    Lee Il-hwa

    Yoon Su-hee / Seo Ji-sook (105 Episodes)

11. 

    Chae Bin

    Kang Ye-jin (105 Episodes)

12. Theo Jang

    Han Yoo-myeong (105 Episodes)

Series Crew 2