Sharp 1 (Drama - 2003)

• 
  Ko Ah-ra
  고아라
  As
  Female middle school student Lee Ok-rim
  (여중생 이옥림)
• 
  Kang Seok-woo
  강석우
  As
  Ok-rim's father Lee Sang-heum
  (옥림의 아버지 이상흠)
• 
  Lee Eung-kyeong
  이응경
  As
  Ok-rim's mother Kim Seong-hee
  (옥림의 어머니 김성희)
• 
  Oh Yeon-seo
  오연서
  As
  Ok-rim's older sister Lee Ye-rim
  (옥림의 언니 이예림)
• 
  Park Hoon-jeong
  박훈정
  As
  Ye-rim's twin brother Lee Ha-rim
  (옥림의 쌍동이 남동생 이하림)
• 
  Seo Hyeon-seok
  서현석
  As
  Jang Wook
  (장욱)

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• 

  Ko Ah-ra: 'Life Is Series of Challenges'
  2012/01/20, Source,
  Actress Ko Ah-ra, who plays the female protagonist in the movies "Pacemaker" and "Papa - Movie", is only twenty two years old, but she has already appeared in nine dramas and movies up to now. She has grown up as a mature woman like the character who becomes attracted by internal beauty rather than outward appearance in the movie "Pacemaker" from a teenage girl who has her pulse quickened by a handsome boy in the drama "Sharp 1".,...More

• 

  Actress Ko Ah-ra releases song for Papa
  2012/01/09, Source,
  Actress Ko Ah-ra released a single on Jan. 9. The digital album, released on various music charts online at 10 am, contains songs that will also be included in the original soundtrack of the movie "Papa - Movie", in which the actress also stars. The album consists of title track "Now!", as well as two additional tracks from the movie. "Now!" fuses modern rock and pop genres; the upbeat tune was composed and produced by the movie's music director. The songs are sung in English by the 21-year old star, as the majority of the movie is set in the United States. Local media reported that the singer Jay, a signee of the same record label as Ko, helped pen the lyrics,...More

• 

  Ko Ah-ra on "Kang Heart" speaks about her audition with SM
  2012/01/03, Source,
    Actress Ko Ah-ra revealed the behind story about her audition with SM. She appeared on the SBS TV program "Kang Heart" on January 3rd and told the behind story of her SM audition and the drama "Sharp 1",...More

• 

  Actress Ko Ah-ra Becomes a Pole Vaulter in Film
  2012/01/03, Source,
  22-Year-Old Actress Gain 5-kg Weight for Film South Korea's gracefully beautiful actress Ko Ah-ra has turned into a track and field athlete. The 22-year-old actress appeared in a press conference for film preview "Pacemaker" held at Lotte Cinema's theater in Seoul's Jayang-dong on Jan. 3, 2012. In the movie directed by Kim Dal-joong she appears as a pole vaulter representing South Korea. She said that she practed with 8-kg dumbbell to appear in the film. She also gained a weight of 5 killo grams to fit in with the character needed in the film,...More