Cha Soo-yeon
Yoon Ji-On
Oh Yoon-ah
Oh Hye-Ran
Ji Hyun-woo
Jang Sun-Il
Shin Dong-wook
Choi Il-Doo
Park Byung-eun
Kang Ji-hwan
Suh In-Woo
Jung Kyung-ho
Ha Ki-Ho
Lee Soo-kyung
Song Na-Kyung
Jeon Bae-soo
Executive Director
Lee Ji-hoon
Kim Chul-Koo
19 episodes · June 6, 2004
Yes — If You Only Knew is still running and has been renewed for more.
If You Only Knew has 1 season and 19 episodes, and first aired in 2004.
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