Crash Course in Romance

Jeon Do-yeonNam Haeng-seon
Jung Kyung-hoChoi Chi-yeol
Shin Jae-haJi Dong-hui
Lee Bong-ryeonKim Yeong-ju
Oh Eui-sikNam Jae-woo
Roh Yoon-seoNam Hae-e
Jang Young-namJang Seo-jin
Kim Sun-youngCho Su-hui
Hwang Bo-raLee Mi-ok
Heo Jeong-doKang Jun-sang
Lee Chae-minLee Sun-jae
Kang Na-eonBang Su-a
Ryu Da-inJang Dan-ji
Lee Min-jaeSeo Geon-hu
Kim Tae-jeongLee Hui-jae
Ji Il-juJin I-sang
Lee Do-hyeJeong Su-hyeon
Kim Da-huinJeon Jong-ryeol
Lee Ji-haeDirector Jeong
Park Hui-eunJin-su's mother
Choi Hee-jinYoung-min's mother
Yoo JunLee Young-min
Jeong Han-seolBae Jeong-su
Hwang Jae-yeolDetective Song
Jang Tae-minDetective
Go Ae-riJo Ga-yeon
Lee A-jinLee Hyo-won
Kim Gye-rimHyeon Seo-Jin
Yoon Seok-hyunSong Jun-ho
Kim Mi-kyeongHaeng-seon's mother
Lee Min-gooChiYeolSucks group member
Bae Yoon-kyungHong Hye-yeon
Lee Sang-yiLivestreamer Mr. Popular
Park Sang-hwiHan Tae-hwa
Lee Ji-hyeVeterinarian
Jeon Jun-wooProsecutor
Park In-chunJudge
Bae Hae-seonNam Haeng-ja
Park Hui-jeongT&A Law Firm staff
Im So-yunLee Min-ji
Kim KwonInstructor
Lee Kyeong-ukCM director
Kim Jun-wonSeo-jin's husband
Gu Bon-jinBuilding security guard
Jeong Hyeon-wooTeacher
Kim Mi-raAudience student's mother
Kim Min-chulChoi Chi-yeol (teenager)
Kim Jung-donHandball coach
Choi So-yulNam Hae-e (child)
Hong Lu-hyeonEnglish teacher
Shin Seung-yongPolice officer
Seol Chang-heeDoctor
Oh Ki-hwanStaff
Lee Hyeon-seoStudent's mom
Yu Jun-aStudent's mom
Lee Yun-sangMr. Yang
Lee Mi-yunMr. Yang's wife
Jeong Hye-kyungMeat vendor
Park Hyo-binKwon Jin-gyeong
Hong Seong-gwanChiYeolSucks group member
Park Seon-aSu-hyeon's mom
Kim Dae-myungSu-hyeon's brother
Lee Yong-iNoise complaint woman
Son Sang-gyuMath King
Kim Seon-kyeongNation's Best Banchan customer
Jeong Eui-soonEducation director
Park Yong-suDr. Nam Goong-chan
Son Seong-chanChoi Jeong-an
Lee Su-miRestaurant owner
Kim Jin-guLandlord
Hyeon JinJudge Yoo (Eps 8)
Shin Young-jinHotel restaurant manager
Min Woo-giReal estate agent
Lee Dong-hyeonWoorim High School student
Park Yu-milQuestioner
Lee Jin-hongRiver bank passerby
Park Sang-hyeokDetective
Oh Min-jeongNation's Best Banchan customer
Kim Gyeong-minTriple Top executive
Yun Bu-jinVegetable vendor
Park Joo-yongDelivery man
Jang In-hoNam Dae-nam
Ma Jeong-pilDoctor
Ahn Soo-hoJeong Chan-ki
No Hui-jungProtesting parent
Go Gyeong-manProtesting parent
Jung Min-gyeolDae-geun's girlfriend
Jeong Seung-jinSeong-hyeon's ex-classmate
Choi Ga-inStudent's mother
Kwak Ji-sookChi-yeol's neighbor
Seo Dong-hyeonThe Pride Academy staff
Kim Si-youngTeacher
Park Sun-youngTeacher
Han Ye-juConsultation general manager
Kim Il-hyeonNation's Best Banchan customer
Ji Yeon-aeProtesting parent
Lee Jeong-juPhotographer
Sin Yu-binT&A Law Firm staff
Do Ye-joonBarista
Lee YeonHaeng-seon (Teenager)
Kim Mi-ranTeacher (Eps 3)
Yu Je-wonDirector
Yang Hee-seungWriter
Yang Hui-seungWriter
Jo Moon JooProducer

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