 Yalkae, a Joker in High School

Yalkae, a Joker in High School () is a 1977 South Korean comedy film starring Lee Seung-hyeon, Kim Jeong-hun and Hah Myung-joong, and directed by Seok Rae-myeong.Based on Cho Heun-pa's bestselling novel "A Legend of Urchins (Yalgaejeon)", it is the original movie that spawned the wildly popular "Yalkae series" in the 1970s and succeeded in drawing an audience of 250,000 during its impressive theatrical run.