- Title: 장난스런 키스 / Jangnanseureon Kiss
- Also known as: Playful Kiss, Naughty Kiss
- Genre: Romance, school
- Episodes: 16 + 7 SP (Youtube version)
- Broadcast Network: MBC
- Broadcast period: 2010-Sep-01 to 2010-Oct-21
- Air time: Wednesday & Thursday 21:55
THE CATS
Kim Hyun Joong as Baek Seung Jo
- Name: 김현중 / Kim Hyun Joong (Kim Hyeon Jung)
- Profession: Actor and singer
- Birthdate: 1986-Jun-06
- Birthplace: Seoul, South Korea
- Height: 180cm
- Blood type: B
- Star sign: Gemini
Jung So Min as Oh Ha Ni
- Name: 정소민 / Jung So Min
- Real name: 김윤지 / Kim Yoon Ji
- Profession: Actress and model
- Birthdate: 1989-Mar-16
- Height: 165cm
- Weight: 47kg
- Star sign: Pisces
- Blood type: A
- Talent agency: Bloom Entertainment
- Lee Tae Sung as Bong Joon Gu
- Lee Si Young as Yoon He Ra
- Jung Hye Young as Hwang Geum Hee (Seung Jo's mother)
- Oh Kyung Soo as Baek Soo Chang (Seung Jo's father)
- Choi Won Hong as Baek Eun Jo (Seung Jo's brother)
- Kang Nam Gil as Oh Ki Dong (Ha Ni's father)
- Hong Yoon Hwa as Jung Joo Ri (Ha Ni's friend)
- Yoon Seung Ah as Dok Go Min Ah (Ha Ni's friend)
- Choi Sung Joon as Kim Gi Tae
- Jang Ah Young as Hong Jang Mi
- Bye Bye Sea as Bong Joon Gu's followers
- Hwang Hyo Eun as Song Kang Yi (Ha Ni's homeroom teacher)
- Song Yong Shik as Song Ji Oh
- Moon Hoe Won as Head Teacher Hwang
- Choi Sung Gook (최성국) as Wang Kyung Soo
- Yoon Bo Hyun (윤보현)
- Abigail Alderete as Chris
More Photos From Playfull Kiss
