Crazy Love

Director

• 
  Kim Jung Hyun

Screenwriter

• 
  Kim Bo Gyeom

Main Role

• 
  Kim Jae Wook

  No Go Jin

  Main Role
• 
  Krystal Jung

  Lee Sin A

  Main Role
• 
  Ha Joon

  O Se Gi

  Main Role

Support Role

• 
  Yoo In Young

  Baek Su Yeong

  Support Role
• 
  Im Won Hee

  Park Yang Tae

  Support Role
• 
  Park Han Sol

  Chu Ok Hui [Sin A's bestie]

  Support Role
• 
  Yoon San Ha

  Lee Su Ho [Sin A's brother]

  Support Role
• 
  Jung Sung Ho

  Kim Cha Bae [GoTop Korean instructor]

  Support Role
• 
  Kim Ki Nam

  Kong Hui Cheol [GoTop Social Studies instructor]

  Support Role
• 
  Lee Ji Min

  Michelle Lee [GoTop English instructor]

  Support Role
• 
  Baek Joo Hee

  Ma Eun Jeong [GoTop research assistant]

  Support Role
• 
  Lee Mi Young

  Kong Pil Seon [GoTop cleaner]

  Support Role
• 
  Lee Yoon Hee

  Building Security Guard Hwang

  Support Role
• 
  Lee Bum Kyu

  Lee Beom Gyu [GoTop staff]

  Support Role
• 
  Joe In

  Kim Hye Seon [GoTop ex-secretary]

  Support Role
• 
  Song Seung A

  Park Eun Hui [GoTop ex-secretary]

  Support Role
• 
  Moon Seo Yoon

  Lee So Ra [GoTop ex-secretary]

  Support Role
• 
  Lee Si Eon

  Kang Min [GoTop ex-employee]

  Support Role
• 
  Kim Hak Seon

  Lee Yong Gu [Sin A's father]

  Support Role
• 
  Ko Kyu Pil

  Ju Jun Pal / "John"

  Support Role
• 
  Seo Ji Hoo

  Cho Jong O [Su Yeong's secretary]

  Support Role
• 
  Son Ki Chul

  [GoTop teaching assistant]

  Support Role
• 
  Kim Ji Yoon

  [GoTop staff]

  Support Role

Guest Role

• 
  Kim Jin Ok

  [Student's mother] (Ep. 1)

  Guest Role
• 
  Kang Hak Soo

  [Special lecture staff] (Ep. 1)

  Guest Role
• 
  Lee Ju Mi

  [Student’s mom] (Ep. 1)

  Guest Role
• 
  Kim Tae Eon

  [Go Jin's fan] (Ep. 1)

  Guest Role
• 
  Park Jeong Gon

  [Go Jin's fan] (Ep. 1)

  Guest Role
• 
  Park Jong Moo

  Han Ji Ho [Doctor] (Ep. 1-2, 4, 7, 12)

  Guest Role
• 
  Kim Su Kyung

  [Nurse] (Ep. 1, 7)

  Guest Role
• 
  Heo Seon Haeng

  [Baekga University professor] (Ep. 2)

  Guest Role
• 
  Lee Jae Woo

  [Baekga University professor] (Ep. 2)

  Guest Role
• 
  Kaare Svejgaard Olsen

  [Business meeting executive] (Ep. 2)

  Guest Role
• 
  Bae Gi Beom

  Yoo Jae Ho [Doctor] (Ep. 2-3)

  Guest Role
• 
  Jang Se Won

  [Se Gi's secretary] (Ep. 2-3)

  Guest Role
• 
  Yoon Sung Won

  [Detective] (Ep. 2-3)

  Guest Role
• 
  Yoon Tae Soo

  [Detective] (Ep. 2-3)

  Guest Role
• 
  Hong Ye Ji

  [Nurse] (Ep. 2-4)

  Guest Role
• 
  Choi Dae Chul

  Bae Byeon Ho [Lawyer] (Ep. 3)

  Guest Role
• 
  Kim Hyeon Tae

  [Resident] (Ep. 3)

  Guest Role
• 
  Park Joon Soo

  [Resident] (Ep. 3)

  Guest Role
• 
  Lee Yeon Joo

  [Hotel receptionist] (Ep. 3)

  Guest Role
• 
  Tae In Ho

  Lee Dae Seok [Reporter] (Ep. 3-4)

  Guest Role
• 
  Shin Jun Chul

  [Interviewer] (Ep. 4)

  Guest Role
• 
  Ko Dong Ok

  [Reporter] (Ep. 4)

  Guest Role
• 
  Lee Dong Gyu

  [Moderator] (Ep. 5)

  Guest Role
• 
  Jeon Jeong Il

  [Driver on call] (Ep. 5)

  Guest Role
• 
  Bae Seong Il

  [Police officer] (Ep. 6)

  Guest Role
• 
  Oh Hae Joo

  [Dept. store saleswoman] (Ep. 6)

  Guest Role
• 
  Jang Yoo Hwa

  [Dept. store staff] (Ep. 6)

  Guest Role
• 
  Han Myung Hwan

  [Floral deliveryman] (Ep. 6-7)

  Guest Role
• 
  Moon Joo Won

  No Go Jin [Child] (Ep. 6-7, 10-11)

  Guest Role
• 
  Kim Bong Hui

  [Go Jin's grandma] (Ep. 6-7, 10-11)

  Guest Role
• 
  Shim Won Cheol

  Chu Mun Sik [Ok Hui's father] (Ep. 6-7, 11)

  Guest Role
• 
  Park Young Bok

  [Yong Gu's friend] (Ep. 6-7)

  Guest Role
• 
  Moon Hyung Chul

  [Yong Gu's friend] (Ep. 6-7)

  Guest Role
• 
  Yoon Sa Bong

  Hong Yeo Sa [Yang Tae's wife] (Ep. 6, 10)

  Guest Role
• 
  Park Pal Young

  Baek [Su Yeong's father / Chairman] (Ep. 7)

  Guest Role
• 
  Koo Min Hyuk

  [Taxi driver] (Ep. 7)

  Guest Role
• 
  Hong Suk Youn

  [Patient's father] (Ep. 7)

  Guest Role
• 
  Yun Ho Rim

  [Bartender] (Ep. 7)

  Guest Role
• 
  Kim Jung Soo

  [Judge] (Ep. 8)

  Guest Role
• 
  Ha Young Jin

  [Police officer] (Ep. 8)

  Guest Role
• 
  Baek Kil Sung

  [Chairman Baek's secretary] (Ep. 9)

  Guest Role
• 
  Ho Sol Hee

  [Go Jin's fan] (Ep. 10)

  Guest Role
• 
  Park Seung A

  [Go Jin's fan] (Ep. 10)

  Guest Role
• 
  Yoon Hye Ree

  Na Su Yeon [GoTop ex-employee] (Ep. 11, 13-15)

  Guest Role
• 
  Kang Moon Kyung

  [Shareholder] (Ep. 12-14)

  Guest Role
• 
  Kim Bong Su

  O Se A [Se Gi's father] (Ep. 12, 16)

  Guest Role
• 
  Kim In Kyung

  O Hui Seok [Sin A's friend] (Ep. 13)

  Guest Role
• 
  Han Ah Reum

  [Sin A's friend] (Ep. 13)

  Guest Role
• 
  Lee Ji Young

  [Reporter] (Ep. 13)

  Guest Role
• 
  Park Chul Min

  Son Sang Won [Reporter] (Ep. 14)

  Guest Role
• 
  Kim Mi Ra

  Lee Su Yeon [Interviewee] (Ep. 14)

  Guest Role
• 
  Yoon Sung Woo

  [Hye Seon's son] (Ep. 14)

  Guest Role
• 
  Yong Jin

  [Detective] (Ep. 14)

  Guest Role
• 
  Kim Do Hyung

  [Detective] (Ep. 14)

  Guest Role
• 
  Lee Dong Wook

  [CCTV Installer] (Ep. 14)

  Guest Role
• 
  Jung Shin Hye

  O Se Hui [Se Gi's sister] (Ep. 14-16)

  Guest Role
• 
  Park Chan Woo

  [Detective] (Ep. 15)

  Guest Role
• 
  Na Mi Hee

  [Student's upset mother] (Ep. 15)

  Guest Role
• 
  Jang Eui Don

  [Master Education CEO] (Ep. 15)

  Guest Role
• 
  Joo Seung Do

  [Master Education teacher] (Ep. 15)

  Guest Role
• 
  Kim Do Won

  Kim Do Yun [Eun Jeong's son] (Ep. 16)

  Guest Role
• 
  Kim Jin Kyu

  [Yang Tae's assistant]

  Guest Role
• 
  Lim Seung Soo

  [Child]

  Guest Role
• 
  Ju Su Min

  [Gotop Education staff]

  Guest Role
• 
  Lee Ye Ji

  [Gotop Education staff]

  Guest Role