Still 17 - Production & Contact Info

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62 cast members

Name	Episodes	Known for
Shin Hye-sun Woo Seo-ri Woo Seo-ri See fewer	32	My Golden Life (2017)
Yang Se-jong Gong Woo-jin Gong Woo-jin See fewer	32	Temperature of Love (2017)
Ahn Hyo-seop Gong Yoo-chan Gong Yoo-chan See fewer	32	KPop Demon Hunters (2025)
Ye Ji-won Jennifer Jennifer See fewer	32	Old Miss Diary (2006)
Lee Do-hyun Dong Hae-beom Dong Hae-beom See fewer	32	Exhuma (2024)
Jeong Eu-gene Kang Hee-soo Kang Hee-soo See fewer	32	W (2016)
Jo Hyun-sik Han Deok-soo Han Deok-soo See fewer	32	Doctors (2016)
Ahn Seung-kyoon Jin-hyeon Jin-hyeon See fewer	30	All of Us Are Dead (2022)
Park Si-eun Young Woo Seo-ri Young Woo Seo-ri See fewer	28	Criminal Minds (2017)
Wang Ji-won Kim Tae-rin Kim Tae-rin See fewer	24	I Need Romance (2011)
Yoon Chan-young Young Gong Woo-jin Young Gong Woo-jin See fewer	21	All of Us Are Dead (2022)
Yoon Sun-woo Kim Hyeong-tae Kim Hyeong-tae See fewer	20	Miracle in Cell No. 7 (2013)
Wang Seok-hyeon Young Kim Hyeong-tae Young Kim Hyeong-tae See fewer	17	Scandal Makers (2008)
Jo Yoo-jung Lee Ri-an Lee Ri-an See fewer	15	Beautiful Love, Wonderful Life (2019)
Shim Yi-yeong Guk Mi-hyeon Guk Mi-hyeon See fewer	15	Youth of May (2021)
Ha Do-kwon Rowing Club Coach Rowing Club Coach See fewer	13	Project Silence (2023)
Chong Park Shim Myung-Hwan Shim Myung-Hwan See fewer	10	Secret Love Affair (2014)
Kim Baek-Ri Nurse Nurse See fewer	8	Doom at Your Service (2021)
Jo Soo-ji Young Kim Tae-Rin Young Kim Tae-Rin See fewer	8	Drama Stage (2017)
Lee Seo-yeon No Soo-mi No Soo-mi See fewer	8	Hello, Me! (2021)
Lee Ah-hyeon Gong Hyeon-jeong Gong Hyeon-jeong See fewer	7	The Windmill Palm Grove (2005)
Lee Seung-joon Kim Hyeon-gyoo Kim Hyeon-gyoo See fewer	7	Descendants of the Sun (2016)
Im Byung-ki Gong Yong Hwan [Gong Woo Jin's father] Gong Yong Hwan [Gong Woo Jin's father] See fewer	7	Pinocchio (2014)
Jeong Ho-bin Byung Gyu-chul [Festival Chairman] Byung Gyu-chul [Festival Chairman] See fewer	6	Warrior Baek Dong Soo (2011)
Seo Yoon-hyuk Young Gong Yoo-chan Young Gong Yoo-chan See fewer	6	Mouse (2021)
Kim Min-sang Psychologist Psychologist See fewer	5	Silenced (2011)
Lee Young-eun Woman with Yellow Heels Woman with Yellow Heels See fewer	5	Home for Summer (2019)
Won Mi-won Woman in Park Woman in Park See fewer	5	Lady Vengeance (2005)
Jeon Ik-ryeong Kim Hyeon-jin Kim Hyeon-jin See fewer	5	Unstoppable (2018)
Kim Kwang-kyu Violin Repairman Violin Repairman See fewer	4	I Hear Your Voice (2013)
Moon Hak-jin Lee Jae-u Lee Jae-u See fewer	4	Still 17 (2018)
Park Hyun-jung Tae-rin's Mother Tae-rin's Mother See fewer	3	My Love (2007)
Jo Yi-hyun Min-gyu [Seo-ri's Cousin] Min-gyu [Seo-ri's Cousin] See fewer	3	Rugal (2020)
Shin Ji Yeon Violin Academy Director Violin Academy Director See fewer	3	Broken (2014)
Jeon Bae-soo Woo Seong-hyeon Woo Seong-hyeon See fewer	3	The Wailing (2016)
Kwon Hyeok-soo President Park President Park See fewer	3	Missing 9 (2017)
Jeong Jin-woon Jeong Jin-woon Jeong Jin-woon See fewer	3	Dream High (2011)
Kim Young-jae Kim Tae-jin Kim Tae-jin See fewer	3	Mouse (2021)
Hong Ki-joon Kim Sang-sik Kim Sang-sik See fewer	2	The Good, the Bad, the Weird (2008)
Ji Dae-han Police Station Officer Police Station Officer See fewer	2	Oldboy (2003)
Seo Yoon-ah CEO Kim [Client] CEO Kim [Client] See fewer	2	Hotel King (2014)
Henny Savenije German Audition Judge German Audition Judge See fewer	2	No Other Choice (2025)
Son San Nurse Nurse See fewer	2	Sense8 (2015)
Park Yoon-Young Seo-ri's Friend Seo-ri's Friend See fewer	2	Tomorrow (2022)
Seo Eun-Yool Young Gong Yoo-chan Young Gong Yoo-chan See fewer	2	Witch's Court (2017)
Baek Jae-jin Stage Design Chief Stage Design Chief See fewer	2	Gap Dong (2014)
Jeong Gyeong-cheon Police Station Officer Police Station Officer See fewer	2	Still 17 (2018)
Lee Yoo-jin Festival Jazz Team Liaison Festival Jazz Team Liaison See fewer	2	Still 17 (2018)
Jung Si-yul Violin Kid Violin Kid See fewer	1	Birthcare Center (2020)
Kim Mi-Hye Nurse Nurse See fewer	1	Mouse (2021)
Kim Joo-a Free Food Lady Free Food Lady See fewer	1	Mouse (2021)
Ok Joo-ri Airport Cleaner Airport Cleaner See fewer	1	Train to Busan (2016)
Lee Kyung-hoon Boy on Street Boy on Street See fewer	1	Kids Are Fine (2021)
Ok-joo Yoo Nursing Care Worker Nursing Care Worker See fewer	1	No Tears for the Dead (2014)
Song Chang-Kyu Chicken Restaurant Owner Chicken Restaurant Owner See fewer	1	The Good Detective (2020)
Ri Min High School Teacher High School Teacher See fewer	1	Castaway on the Moon (2009)
Song Ji-hyun Flower Store Employee Flower Store Employee See fewer	1	Andante (2017)
Sung Hyun Mi Flyer Respondent Flyer Respondent See fewer	1	A Good Supper (2021)
Jo Mi-nyeo Jennifer's Customer Jennifer's Customer See fewer	1	While You Were Sleeping (2017)
Lee Jin-mok Security Guard Security Guard See fewer	1	Still 17 (2018)
Heo Yeong-son Stage Design Intern Stage Design Intern See fewer	1	Still 17 (2018)
Daniel Joey Albright Scared Camper Calvin Scared Camper Calvin See fewer	1	Chief Detective 1958 (2024)