Grappling with his feelings for Dal-mi, Ji-pyeong avoids her. Do-san's knowledge of Won-deok's condition inspires a business idea for Samsan Tech.
Bae Suzy
Seo Dal-mi
Nam Joo-hyuk
Nam Do-san
Kim Seon-ho
Han Ji-pyeong
Kang Han-na
Won In-jae
Kim Hae-sook
Choi Won-deok
Kim Do-wan
Kim Yong-san
Kim Won-hae
Nam Seong-hwan
Song Sun-mi
Cha Ah-hyun
Yoo Su-bin
Lee Chul-san
Seo Yi-sook
Yoon Seon-hak
Kim Hee-jung
Park Geum-jeong
Stephanie Lee
Jeong Sa-ha
Cho Tae-kwan
Alex Kwon
Uhm Hyo-seop
Won Doo-jung
Yeo Jin-goo
Jang Young-sil (voice)
Lee Min-ryung
Jang Yi-soo
Song Ho-su
Lee Dae-myung
Jang Se-hyun
Nam Cheon-ho
Kim Min-seok
Park Dong-cheon
Kang You-seok
Shin Hyeon
Joo Bo-young
Shin Jeong
Moon Dong-hyeok
Won Sang-su
