Characters played by Ji-Ho Oh
Wang Seong-gi
Characters played by Ye-won Kang
Gil Sin-seol
Characters played by Ju-Hee Ha
Maeng In-yeong
Characters played by Ih-joo Hong
Ahn Gong-joo
Characters played by Ryeong Choi
Kang Hyeon-min
Characters played by Chi-man Noh
Min-joon
Characters played by Ji-won Kang
Joo Eun-hee
Characters played by Do-Kyeong Kim
Obstetrics Nurse 1
Characters played by Hyeon-hee Hwang
Obstetrics Nurse 2
Characters played by Hye-ran Lee
Obstetrics Nurse 3
Characters played by Yoon-ho Ji
Gong-joo's High School Boy
Characters played by Woo-il Jeong
Sin-seol's Old Boyfriend
Characters played by Eun-hye Kil
Seong-gi's Old Lover
Characters played by Ah-rom Kim
Booking Girl 1
Characters played by Hee-Jeong Kim
Booking Girl 2
Characters played by Yeong-jik Kim
Real Estate Broker
Characters played by Na-ra Sin
Meeting Fellow Doctor
Characters played by Bo-Kyeong Kim
Yoga Instructor
Characters played by Jae-ho Son
Yoga Man
Characters played by Jong-won Park
Guard
Characters played by Seung-Hyeon Kwak
Male Student 1
Characters played by Seung-Joon Lee
Male Student 2
Characters played by Joon-won Choi
Male Student 3
Characters played by Seon-hee Park
Middle-aged Obstetrician
Characters played by Ye-won Yoo
Obstetrics Female Patient
Characters played by Hyun-ung Lee
Blind Date Professor
Characters played by Soo-Cheol Hong
Blind Date Handsome Man
Characters played by Hye-ran Go
Urology Middle Age Woman 1
Characters played by So-jeong Park
Urology Middle Age Woman 2
Characters played by Dong-jin Lee
Obstetrics's Husband
Characters played by Min-Jeong Goo
Full-term Woman
Characters played by Joong-hee Kim
Packaging Carriage 1
Characters played by Min Jo
Packaging Carriage 2
Characters played by Ri-won Kim
Hyeon-min's Fiancée
Characters played by Yoon-Seok Hyeong
Cafe Waiter
Characters played by Hyo-in Jeong
Wedding Hall Employee
Characters played by Hyeon-Seong Kim
Chinese Restaurant Guide
Characters played by Ji-hwan Park
Past Medical Senior
Characters played by Beom-Seok Kim
Doctor of Emergency Room
Characters played by Hyeon-jin Jeong
Convenience Store Part-timer
Characters played by Byeong-ha Joo
Bystander
Characters played by Choi Seung-yoon
Past Delivery Room Doctor
Characters played by Yoon-Seon Lee
Past Delivery Room Nurse
Characters played by Ha-ji Oh
Past Delivery Room Mom
Characters played by Yoon-joo Kang
Neonatal Nurse
Characters played by Do-Yeong Min
Paramedics
Characters played by Jeong-seop Sin
Hotel Employee
Characters played by Lilia
Epilogue Voluptuous Woman
Characters played by Moon-Yeong Gye
Obstetrics Wife
Characters played by Hyo-Jeong Lee
Sin-seol's Father
Characters played by Yeo-jin Hong
Sin-seol's Mother
Characters played by Kim Min-kyo
Photographer
Characters played by Min-Seok Oh
Epilogue Handsome and Warm-Hearted Guy
Characters played by Seok-Cheon Hong
Psychiatrist
Characters played by Chang-Ryeol Kim
Sin-seol's Blind Date
Characters played by Seong-sik Han
Kim Yeong-cheol
Characters played by Gook Choi
Deputy Driver
Characters played by Jae-man Kim
Prostate Massage
Characters played by Kyung-jin Kim
In-yeong BMW Man
Characters played by Kwang-eop Son
2 Step 3 Step Man
Characters played by Myeong-Sook Kim
Announcer
Characters played by Tae-Hyun Cha
1 Night 2 Days Man