Full cast of Heard It Through the Grapevine

Yu Jun-sang

Han Jeong-ho

30 episodes

Yoo Ho-jeong

Choi Yeon-hee

30 episodes

Ko A-sung

Seo Bom

30 episodes

Lee Joon

Han In-sang

30 episodes

Jang Hyun-sung

Seo Hyeong-shik

30 episodes

Kim Ho-jung

Uhm So-jeong

30 episodes

Kil Hae-yeon

Yang Jae-hwa

30 episodes

Seo Jeong-yeon

Lee Sun-sook

30 episodes

Kim Hak-seon

Butler Park

30 episodes

Kim Jung-young

Jeong-soon

30 episodes

Jang So-yeon

Min Joo-young

30 episodes

Heo Jeong-do

Gyeong-tae

30 episodes

Kim Kwon

Yoon Je-hoon

30 episodes

Gong Seung-yeon

Seo Noo-ri

30 episodes

Jung Yoo-jin

Jang Hyun-soo

30 episodes

Jung Ga-ram

Seong Min-jae

30 episodes

Park So-young

Han Yi-ji

30 episodes

Baek Ji Yun

Ji Young Ra [Yeon Hee's friend and rival]

30 episodes

Park Si-woo

Han Yi Ji [In Sang's younger sister]

30 episodes

Baek Ji-won

Attorney Yoo Shin-Young

30 episodes

Jeon Seok-chan

Seo Chul Sik [Seo Bom's uncle]

30 episodes

Oh Man-seok

Kim Jin Sung [Prime Minister candidate]

4 episodes