Cast 15

1. 

   Koo Kyo-hwan

   Shin Pa-rang

2. 

   Lee Sang-hee

   Choi Hyun

3. 

   Cha Soo-yeon

   Choi Soo-jin

4. 

   Jung Young-ki

   Hwang Seung-yeol

5. 

   Jang Seo-kyung

   Lee Seul-gi

6. 

   Woo Ji-hyeon

   Kim Jung-bin

7. 

   Lee Joon-Young

   Sung-hoon

8. 

   Nam Myung-ryeol

   Manager Android

9. 

   Son Min-seok

   Section Chief Android

10. 

    Kim Seung-hoon

    Team Leader Android

11. 

    Lee Young-suk

    Shin Pa-rang's father

12. Yoon Soon-shim

    Shin Pa-rang's mother

13. Lee Jae-hui

    Shin Pa-rang's landlady

14. 

    Kim Hyun

    Lee Seul-gi's mother

15. 

    Kang Jin-ah

    Teaching Assistant

Crew 4