Sunny

Cast50

• 

  Yoo Ho-jeong

  Na-mi

• 

  Shim Eun-kyung

  Young Na-mi

• 

  Jin Hee-kyung

  Choon-hwa

• 

  Kang So-ra

  Young Choon-hwa

• 

  Koh Soo-hee

  Jang-mi

• 

  Kim Min-young

  Young Jang-mi

• 

  Hong Jin-hee

  Jin-hee

• 

  Park Jin-joo

  Young Jin-hee

• 

  Lee Yeon-kyung

  Geum-ok

• 

  Nam Bo-ra

  Young Geum-ok

• 

  Kim Sun-kyung

  Bok-hee

• 

  Kim Bo-mi

  Young Bok-hee

• 

  Min Hyo-rin

  Young Su-ji

• 

  Kim Si-hoo

  Young Joon-ho / Joon-ho's Son

• 

  Park Young-seo

  Young Jong-ki

• 

  Chun Woo-hee

  Sang-mi

• 

  Kim Hye-ok

  Na-mi's Mother

• 

  Jeong Seok-yong

  Jong-ki

• 

  Ha Seung-lee

  Ye-bin

• 

  Kim Yeong-ok

  Na-mi's Grandmother

• 

  Baek Jong-hak

  Nami's Husband

• 

  Jung Won-joong

  Na-mi's Father

• 

  Kim Won-hae

  Teacher

• 

  Kim Sae-byuk

  Class Monitor

• 

  Kang Rae-yeon

  Jong-ki's Girlfriend

• 

  Kim Ye-won

  Girls' Generation Leader

• 

  Ryu Hye-rin

  Girls' Generation Member

• 

  Lee Kyung-young

  Joon-ho

• 

  Hwang Choon-ha

  Past Detective

• 

  Bae Soo-kyung

  Gang High School Girl

• 

  Park Soon-cheon

  Woman in Past Picture

• 

  So Hee-jung

  Homeroom Teacher

• 

  Cha Tae-hyun

  Insurance Company Main Model

• 

  Lee Jun-hyeok

  President of Private Detective Office

• 

  Han Seung-hyeon

  Jung-mi's Older Brother

• 

  Yang Hee-kyung

  Jang-mi's Mother

• 

  Ju Jin-mo

  Sung-chan

• 

  Park Hee-jeong

  Young-jin

• 

  Go Joon

  Private Detective

• 

  Kwon Eun-soo

  School Broadcasting Club DJ

• 

  Choi Yi-sun

  Joon-ho's Friend

• 

  Sung Ji-ru

  Choon-hwa's Lawyer

• 

  Eom Hye-soo

  Sang-mi's Group

• 

  Ahn Soo-ho

  Judge

• 

  Yoon Jung

  Su-ji

• 

  Jun Yoon-ji

  Student Presenter at Festival

• 

  Choi Soo-im

  Bully Female Student

• 

  Yang Joo-ho

  Insurance Company Branch Manager

• 

  Lee Sang-ah

  Woman in Past Picture

• 

  Lee Seung-heon

  Joon-ho's Friend