Full cast of Stairway to Heaven

Kwon Sang-woo

Cha Song Ju

20 episodes

Choi Ji-woo

Han Jeong Seo / Kim Ji Su

20 episodes

Shin Hyun-jun

Han Tae Hwa / Han Cheol Su

20 episodes

Kim Tae-hee

Han Yu Ri

20 episodes

Lee Hwi-hyang

Tae Mi Ra

20 episodes

Park Shin-hye

Han Jeong Seo (Young)

20 episodes

Baek Sung-hyun

Cha Song Ju (Young)

20 episodes

Ha Jae-yeong

Professor Han Su Ha

20 episodes

Kim Ji-sook

Chairperson Min Seo Hyeon

20 episodes

Jung Han-yong

Han Pil Su

20 episodes