Oh My Baby

Kim Eun-yeong

Lee Ok-ran, Ha-ri's mother who raised her single-handedly.

Han I-sang, a narcissistic photographer who's always in high demand. He suffered heartbreak when his fiancée broke off their engagement, which was the reason for him to lose interest in relationships, and rejected Ha-ri on their first meeting.

Seo Jung-won

Shim Jung-hwa

Park Jae-han

Yoon Jae-young, a recently divorced pediatrician who has a daughter Do-a and is good friends with Ha-ri. He turns up to stay with Ha-ri at her mom's house on Ha-ri's mom's persuasion.

President Jo (Chairman) (Ep.4)

Park Yeon-ho

Jang Ha-ri, a devoted manager who works for a magazine The Baby. She is in a race against time to have a child, even if it means skipping marriage. Now 39, she has three suitable prospects lining up to win her over.

Choi Kang-eu-tteum, a junior at Ha-ri's workplace who initially made her embarrassed by calling her Auntie