Mr. Wacky Trailer

Starring Park Geon-hyung, Kim Hyo-jin, Moon Ji-yoon, Lee Kyun, Kang Eun-bi, Jeong Wook, Kim Myeong-guk, Song Young-tak, Jeong Woong-in, An Seok-hwan.
An irresponsible, unmotivated teacher lives only for the bell at the end of each day that signals class is over.