4th Period Mystery - Production & Contact Info

Cast	+ Add Cast
74 cast members

Name	Known for
Chi-yong Ahn School Inspector School Inspector See fewer	4th Period Mystery (2009)
Ryoo Byeong-Gil Tae-Gyoo's Line 1 Tae-Gyoo's Line 1 See fewer	4th Period Mystery (2009)
Im Chan-Woo Security Guard Security Guard See fewer	4th Period Mystery (2009)
In-sook Choi School Inspector's Secretary School Inspector's Secretary See fewer	Death Bell (2008)
Park Chul-min Prof. Han Kang-man (as Cheol-min Park) Prof. Han Kang-man (as Cheol-min Park) See fewer	May 18 (2007)
Kim Dae-Jeong Karaoke Female Student 3 Karaoke Female Student 3 See fewer	4th Period Mystery (2009)
Park Dan-Bi Student In Grade 2 Class 5 Student In Grade 2 Class 5 See fewer	4th Period Mystery (2009)
Oh Dong-Joon Student In Grade 2 Class 5 Student In Grade 2 Class 5 See fewer	4th Period Mystery (2009)
Im Eun-Ji Student In Grade 2 Class 5 Student In Grade 2 Class 5 See fewer	4th Period Mystery (2009)
Lee Eun-Yeong Dodgeball Girl Dodgeball Girl See fewer	4th Period Mystery (2009)
Go Gil-Joo Student In Grade 2 Class 5 Student In Grade 2 Class 5 See fewer	4th Period Mystery (2009)
Jung Yoo Ha Karaoke Female Student 1 Karaoke Female Student 1 See fewer	4th Period Mystery (2009)
Jae-sang Han Korean Teacher Korean Teacher See fewer	4th Period Mystery (2009)
Jang Hee-Jeong Student In Grade 2 Class 5 Student In Grade 2 Class 5 See fewer	4th Period Mystery (2009)
Kim Ho-Yeon Teacher Next Door Teacher Next Door See fewer	4th Period Mystery (2009)
Myeong Hong-Jin Student In Grade 2 Class 5 Student In Grade 2 Class 5 See fewer	4th Period Mystery (2009)
Choi Hong-Rak Student In Grade 2 Class 5 Student In Grade 2 Class 5 See fewer	4th Period Mystery (2009)
Lee Hye-Ah Female Student Female Student See fewer	4th Period Mystery (2009)
Do Hyeon-Soo Student In Grade 2 Class 5 Student In Grade 2 Class 5 See fewer	4th Period Mystery (2009)
Kim Hyeong-Geun Student In Grade 2 Class 5 Student In Grade 2 Class 5 See fewer	4th Period Mystery (2009)
Sung Hyuk A Gym Teacher A Gym Teacher See fewer	4th Period Mystery (2009)
Ahn Hyun-Bin Gym Teacher Gym Teacher See fewer	4th Period Mystery (2009)
Im Jang-Goon Student In Grade 2 Class 5 Student In Grade 2 Class 5 See fewer	4th Period Mystery (2009)
Lee Jeong-eun Female Student #1 Female Student #1 See fewer	Unlocked (2023)
Kim Jeong-Hoon Student In Grade 2 Class 5 Student In Grade 2 Class 5 See fewer	4th Period Mystery (2009)
Kim Ji-Eun Female student #2 Female student #2 See fewer	Apgujeong Midnight Sun (2014)
Kang Ji-Hoon Student Student See fewer	4th Period Mystery (2009)
Lee Young Jin Librarian Yun Sang Mi Librarian Yun Sang Mi See fewer	4th Period Mystery (2009)
Oh Jin-Ha Student in grade 2 class 5 (archive footage) Student in grade 2 class 5 (archive footage) See fewer
Sin Jin-Woo Student In Grade 2 Class 5 Student In Grade 2 Class 5 See fewer	4th Period Mystery (2009)
Kim Jin-Yoon Student In Grade 2 Class 5 Student In Grade 2 Class 5 See fewer	4th Period Mystery (2009)
Sang-Geun Jo Kim Tae-gyoo (archive footage) Kim Tae-gyoo (archive footage) See fewer
Jeon Joon-Hong Prof. Byeong-soo Prof. Byeong-soo See fewer	4th Period Mystery (2009)
Jeon Jun-Hong Embassy (archive footage) Embassy (archive footage) See fewer
Jo Sang Keun Kim Tae Gyu Problem Child Kim Tae Gyu Problem Child See fewer	4th Period Mystery (2009)
Dong-beom Kim Do-il Do-il See fewer	71: Into the Fire (2010)
Joon-hyeok Kim Student Student See fewer	Just Friends (2010)
Min-su Kim Suspect Suspect See fewer	Blades of Blood (2010)
Kim Kyeong-Hee Student In Grade 2 Class 5 Student In Grade 2 Class 5 See fewer	4th Period Mystery (2009)
Min Kyung-jin Principal (as Kyeong-jin Min) Principal (as Kyeong-jin Min) See fewer	The Chaser (2008)
Chan-ho Lee Tak Teu-in (as Chan Ho Lee) Tak Teu-in (as Chan Ho Lee) See fewer	Natural Burials (2012)
Jong-hwan Lee Class Monitor Class Monitor See fewer	4th Period Mystery (2009)
Oh Mi-Hye Music Teacher Music Teacher See fewer	4th Period Mystery (2009)
Kang Min-Hoo Tae-Gyoo's Line 2 Tae-Gyoo's Line 2 See fewer	4th Period Mystery (2009)
Kim Min-Soo-Iii Suspect Suspect See fewer	4th Period Mystery (2009)
Kim Min-Su Virtual Criminal (archive footage) Virtual Criminal (archive footage) See fewer
Jo Nam-Mi Student In Grade 2 Class 5 Student In Grade 2 Class 5 See fewer	4th Period Mystery (2009)
Lee Saet-Byeol Screaming Girl 1 Screaming Girl 1 See fewer	4th Period Mystery (2009)
Cho Sang-Geun Kim Tae-Gyu Kim Tae-Gyu See fewer	4th Period Mystery (2009)
Jo Sang-Geun Kim Tae-gyoo Kim Tae-gyoo See fewer	4th Period Mystery (2009)
Jeong Se-Hyeon Karaoke Female Student 1 Karaoke Female Student 1 See fewer	4th Period Mystery (2009)
Yoo Seung-ho Han Jeong-hoon (as Seung Ho Yoo) Han Jeong-hoon (as Seung Ho Yoo) See fewer	The Great Queen Seondeok (2009)
Kang So-ra Lee Da-jeong Lee Da-jeong See fewer	Sunny (2011)
Song-Hyeon Student In Grade 2 Class 5 Student In Grade 2 Class 5 See fewer	4th Period Mystery (2009)
Kim Min Soo Actor Actor See fewer	4th Period Mystery (2009)
Im Soo-Hyang Actor Actor See fewer	4th Period Mystery (2009)
Im Soo-hyang Fan #1 (as Soo-hyang Im) Fan #1 (as Soo-hyang Im) See fewer	New Tales of the Gisaeng (2011)
Lim Soo-Hyang Lim Soo-Hyang (Fan 1) Lim Soo-Hyang (Fan 1) See fewer	4th Period Mystery (2009)
Jung Suk-yong Prof. Kang Gook-man Prof. Kang Gook-man See fewer	Train to Busan (2016)
Choi Sung-Kyum Suspect Suspect See fewer	4th Period Mystery (2009)
Kim Tae-Il Student In Grade 2 Class 5 Student In Grade 2 Class 5 See fewer	4th Period Mystery (2009)
Jo Ye-Jin Karaoke Female Student 2 Karaoke Female Student 2 See fewer	4th Period Mystery (2009)
Byeon Ye-Seong Student In Grade 2 Class 5 Student In Grade 2 Class 5 See fewer	4th Period Mystery (2009)
Jeong Yeong-gi Student Student See fewer	New World (2013)
Lee Yeong-Jin Yun Sang-mi (archive footage) Yun Sang-mi (archive footage) See fewer
Lee Yeong-jin Sang-mi (as Yeong-jin Lee) Sang-mi (as Yeong-jin Lee) See fewer	Memento Mori (1999)
Sin Yoo-Ra Screaming Girl 2 Screaming Girl 2 See fewer	4th Period Mystery (2009)
Ji-yeong Yoon Fan #2 Fan #2 See fewer	Petty Romance (2010)
Jo Yoon-Hee English Professor English Professor See fewer	4th Period Mystery (2009)
Jung Young-Ki Actor Actor See fewer	4th Period Mystery (2009)
Kim Young-woong History Teacher History Teacher See fewer	The Thieves (2012)
Rie Young-Zin Librarian, Sang-Mi Librarian, Sang-Mi See fewer	4th Period Mystery (2009)
Jo Yun-Hei Hong Ju-hee (archive footage) Hong Ju-hee (archive footage) See fewer
Jo Yun-hie English Professor English Professor See fewer	Tae Guk Gi: The Brotherhood of War (2004)