Series Cast 10

1. 

   Shin Ha-kyun

   Jae-hyeon (6 Episodes)

2. 

   Han Ji-min

   Cha Yi-hoo (6 Episodes)

3. 

   Lee Jung-eun

   Siren (6 Episodes)

4. 

   Jung Jin-young

   Doctor K (6 Episodes)

5. 

   Bae Yoo-ram

   — (6 Episodes)

6. 

   Cha Soon-bae

   — (6 Episodes)

7. 

   Yoon Yi-reh

   Peach (6 Episodes)

8. 

   Choi Dae-sung

   — (6 Episodes)

9. 

   Choi Hee-seo

   Seri (voice) (6 Episodes)

10. 

    Kim So-min

    Choi Han-gi's youngest son (6 Episodes)

Series Crew 3