Hong Seung-hee

as O Hae-ra / Cha Hong-do (16 episodes)

as Byeon Sin-u (1 episode)

as Su-yeon

as Jeong Da-hee (12 episodes)

as Lee Seol

as Kang Han-byul

as Yoon Na-mu (10 episodes)

as Sim Eun-ho (12 episodes)

as Teenage Seung-yi

as Lee Bong Ryun [Young] (7 episodes)

as Lee Bo-yun (2 episodes)

as Yoon Sol (12 episodes)

as Yang Soo-jung (32 episodes)

as Kim Ju-hyeon (16 episodes)

as Jung Mi-hye (2 episodes)

as Lee Seol (1 episode)