On Air (2008)

Extended Cast
Ricky Lee Neely as Aidan Lee (Seung Ah's friend)
Yoo Seo Jin as Yoon Hyun Soo
Sung Woo Jin as Ra Seok Hyun (Hyun Soo's husband)
Lee Kyung Jin as Kwak Wook Shim (Kyung Min's mother)
Hong Ji Min as Lee Hye Kyung
Choi Sang Hoon as Kang Ho Sang
Yeo Ho Min as Hong Sung Hwa
Han Ye Won as Cherry
Kang Joo Hyung as Ahn Da Jung
Lee Chae Won as Seung Ah's assistant
Park Joo Ah as Park Hyung Ja (Young Eun's mother)
Lee Hyung Chul as Jin Sang Woo (SW Entertainment President)
Shin Dong Woo as Kim Joon Hee (Young Eun's son)
Kim Dong Gyoon as Noh Yong Chul
Im Hyun Sung as Kim Beom Rae
Min Seo Hyun as Yang So Eun
Lee Dal Hyung as Park Bong Sik
Lee Won (이원) as Kwon Oh Suk
Lee Sung Min as Song Soo Chul (SBC Drama Director)
Lee Chul Min as Kim Hak Seon
Jin Sung as Lee Won
Seol Ji Yoon as Writer Kwon
Kang Rae Yun as travel guide
Maeng Bo Hak (맹보학) as movie producer
Yoon Gi Won as fake manager (ep1-2)
Lee Seung Hyung
Kim Sung Oh
Ban Min Jung as Eun Hyung (cameo)
Kim Sung Min as manager (cameo, ep21)
Yoon Se Ah as screenwriter (cameo, ep21)
Kim Jung Eun as herself (cameo, ep16)
Kim Jae Dong (김재동) as himself (cameo, ep15)
Shin Dong Wook as drama actor (cameo, ep14)
Lee Dong Gyu as health center employee (cameo, ep14)
Song Chang Ui as himself (cameo, ep11)
Lee Seo Jin as himself (cameo, ep9)
Uhm Ji Won as herself (cameo, ep5)
Kang Hye Jung as herself (cameo, ep5,12)
Kim Min Joon as himself (cameo, ep4)
Lee Chun Hee as himself (cameo, ep3)
Jun Hye Bin as herself (cameo, ep3)
Park Si Yeon as herself (cameo, ep3)
Jun Do Yun as herself (cameo, ep2)
Kim Gi Soo (김기수) as Young Eun's tango teacher (cameo, ep1)
Lee Hyo Ri as herself (cameo, ep1)
Lee Jae Jin as himself (cameo, ep1)
Lee Hong Ki as himself (cameo, ep1)
Choi Min Hwan as himself (cameo, ep1)
Park Jin Hee as herself (cameo, ep1)
Bae Jong Ok as herself (cameo, ep1)
Lee Sun Gyun as himself (cameo, ep1)