Pemeran On Air

Song Yoon Ah

as Seo Young Eun

Pemeran Utama

Kim Ha Neul

as Oh Seung Ah

Pemeran Utama

Lee Bum Soo (이범수)

as Jang Ki Joon

Pemeran Utama

Park Yong Ha

as Lee Kyung Min

Pemeran Utama

Kim Sung Oh

as Kim Sung Oh [SW manager]

Pemeran Pembantu

Yoo Seo Jin

as Yoon Hyun Soo

Pemeran Pembantu

Lee Chul Min

as Kim Hak Seon

Pemeran Pembantu

Ricky Kim

as Aidan Lee [Seung Ah's friend]

Pemeran Pembantu

Lee Sung Min (이성민)

as Song Soo Chul [SBC drama director]

Pemeran Pembantu

Yeo Ho Min

as Hong Sung Hwa

Pemeran Pembantu

Shin Dong Woo

as Kim Joon Hee

Pemeran Pembantu

Yoo Hae Jung

Pemeran Pembantu

Choi Sang Hoon

as Kang Ho Sang

Pemeran Pembantu

Sul Ji Yoon

as Writer Kwon

Pemeran Pembantu

Hong Ji Min

as Ms. Lee [Seo Young Eun's unni]

Pemeran Pembantu

Kim Ki Soo

as Young-eun's tango teacher

Pemeran Pembantu

Kang Samuel

as Armed airline

Pemeran Pembantu

Lee Hyung Chul

as Jin Sang Woo [SW Entertainment President]

Pemeran Pembantu

Park Joo Ah

as Park Hyang Ja

Pemeran Pembantu

Jang Hyo Jin

as Chu Joon Woo

Pemeran Pembantu

Yook Hye Seung

as Che Ri

Pemeran Pembantu

Lee Soo Wan

as [Photographer]

Pemeran Pembantu

Lee Geum Ju

as [Eun Seok's mother]

Pemeran Pembantu

Min Seo Hyun

as Yang So Eun

Pemeran Pembantu

Jung Chun Seok

as Lee Won [Jang Enter wannabe actor]

Pemeran Pembantu

Ji Il Joo

as [Lee Hyo Ri's manager]

Pemeran Pembantu

Choi Shang

as Alex

Pemeran Pembantu

Ha Eun Seol

Pemeran Pembantu

Lee Won

as Kwon Oh Seok

Pemeran Pembantu

Lee Hyo Ri

as [Herself] (Ep.1)

Bintang Tamu

Kim Sung Min

as [Manager]

Bintang Tamu

Han Chae Young

Bintang Tamu

Lee Jae Jin

Bintang Tamu

Jeon Hye Bin

as [Herself]

Bintang Tamu

Choi Min Hwan

Bintang Tamu

Kim Ah Joong (김아중)

as [Award ceremony red carpet](Ep.1)

Bintang Tamu

Lee Chun Hee

as [Himself] (Ep. 3)

Bintang Tamu

Lee Hong Gi (이홍기)

as [Award ceremony red carpet] (Ep. 1)

Bintang Tamu

Shin Dong Wook

as [Drama actor] (Ep. 14)

Bintang Tamu

Uhm Ji Won

as [Herself] (Ep. 5)

Bintang Tamu

Lee Sun Kyun

as [Award ceremony red carpet] (Ep. 1)

Bintang Tamu

Daniel Henney

as [Himself] [Award ceremony red carpet](Ep.1)

Bintang Tamu

Kang Hye Jung

Bintang Tamu

Park Shi Yeon (박시연)

Bintang Tamu

Kim Min Joon

Bintang Tamu

Song Chang Eui

as [Himself] (Ep. 11)

Bintang Tamu

Kim Jung Eun

as [Herself] (Ep. 16)

Bintang Tamu

Yoon Se Ah (윤세아)

Bintang Tamu

Lee Seo Jin

as [Himself ](Ep. 9)

Bintang Tamu

Jeon Do Yeon

as [Herself]

Bintang Tamu

Jung Chan Woo

as [Fortune Teller]

Bintang Tamu

Oh Man Seok

as [Award ceremony red carpet] (Ep. 1)

Bintang Tamu

Jung Myung Joon

as [Wants to sign a contract with Oh Seung Ah]

Bintang Tamu

Min Dae Shik

as [Entertainment reporter]

Bintang Tamu

Jung Jong Yul

as [Umh Ji Won's manager] (Ep. 5)

Bintang Tamu

Son Jin Ho

Bintang Tamu

Son Seon Geun

as [S Media CEO]

Bintang Tamu

Oh Jung Won

as [Oh Seung Ah's Hairdresser]

Bintang Tamu

Lee Chae Won

Bintang Tamu

Jung Jong Hyun

as [Oh Seung Ah's fan]

Bintang Tamu

Choi Young Do

Bintang Tamu

Kim Je Dong

as [Press conference moderator] (Ep.15)

Bintang Tamu

Lee Seung Hyung

as [Advertiser]

Bintang Tamu

Kim Tae Young

as [Doctor]

Bintang Tamu

Park Jin Hee

as [Award ceremony](Ep.1)

Bintang Tamu

Sung In Ja

as [dislikes Seo Young Eun's drama]

Bintang Tamu

Kim Se In

as [New actress visiting broadcasting station] (Ep. 2)

Bintang Tamu

Yoon Seol Hee

as [Room salon girl]

Bintang Tamu

Seo Jin Wook

as Kim Dae-sik

Bintang Tamu

Kim Min Jwa

Bintang Tamu

Min Byung Ae

as [A woman who wants a ticket to go to the moon]

Bintang Tamu

Cha Woong Ki

as [8-year-old boy]

Bintang Tamu

Lee Jung Sung

as [Lawyer]

Bintang Tamu

Song Seung Yong

Bintang Tamu

Choi Ji Yeong

Asisten Sutradara

Shin Woo Cheol

Sutradara

Kim Eun Sook

Screenwriter