Chun Woo-hee

as Sung Je-yeon (12 episodes)

as Self (1 episode)

as Self (1 episode)

as Se-ra / 8F (8 episodes)

as Do Da-hae (12 episodes)

as Lee Ro-um (16 episodes)

as Self (1 episode)

as Lee Na-mi

as Se-young

as Song Jung-wook

as Jeong Se-ra

as Self

as Self (1 episode)

as So-hee

as Self (2 episodes)

as Ms. Park

as Seo-young

as Maggie (voice)

as Im Jin-ju (16 episodes)

as Ryeon-hwa

as Ireesha (voice)

as Self (1 episode)

as Self (2 episodes)

as Seon-chool