"An unappreciated old granny magically turns 20 years old again and decides to make the most of her newfound youth."
Shim Eun-kyung
as Oh Mal-soon / Oh Doo-ri
Na Moon-hee
as Oh Mal-soon
Lee Jin-uk
as Han Seung-Woo
Jung Jin-young
as Ban Ji-ha
Park In-hwan
as Mr. Park
Sung Dong-il
as Ban Hyeon-cheol
Hwang Jeong-min
as Ae-ja
Kim Hyun-sook
as Na-young
Kim Seul-ki
as Ha-na
Ha Yeon-joo
as Soo-yeon
Hwang Seung-eon
as Student
Kim Ga-hee
as Bus Stop Student
Han Ji-eun
as Mi-ae
Park Hye-jin
as Ok-ja
Lee Sang-hee
as Shoe Store Owner
Choi Hwa-jeong
as Radio DJ
Yoo Se-yoon
as Band Vocal
Park Chan-guk
as Policeman
Park Seoung-tae
as Oh-bok
Kang Han-saem
as Dragon
Kim Soo-hyun
as Young Mr. Park
Jang Gwang
as Photographer
Pyo Ye-jin
as Music Show MC
Hong Seok-yeon
as Pharmacist
Hwang Young-hee
as Chinese Restaurant Owner
Jeong In-gi
as Hyeon-cheol's Friend Doctor
Hong Jang-pyo
Special Effects Supervisor
Park Song-hee
Makeup Artist
Jin Hoon
Props
Cheong Jai-hoon
VFX Supervisor
Park Jin-young
Digital Intermediate
Mowg
Original Music Composer
Hong Yoon-jeong
Screenplay
Lim Ji-young
Producer
Han Heung-seok
Dong Hee-sun
Hwang Dong-hyuk
Director
Shin Dong-ik
Adaptation
Park Hyun-soo
Production Sound Mixer
Lim Sun-ae
Storyboard
Kim Ji-yong
Director of Photography
Kim Jung-soo
Song Gyeong-seop
Still Photographer
Cho Gyu-young
Gaffer
Chae Kyung-hwa
Costume Design
Chae Kyoung-sun
Production Design
Nam Na-young
Editor
Gang Hye-yeong
Sound Designer
Han Sang-hyun
Line Producer
Park Jung-bae
Assistant Director
Choi Tae-young
Sound Supervisor
Jung Jin-hee
Jung Ji-eun
Assistant Editor
Park Ji-sung
Co-Producer
Kim Jung-gon
Set Dresser
Ko Gwang-hyun
