Pemeran I Am a Running Mate

Yoon Hyun Soo

as No Se Hun

Pemeran Utama

Lee Do Yun

as Kwak Sang Hyeon

Pemeran Utama

Choi Woo Sung (최우성)

as Yang Won Dae

Pemeran Utama

Hong Hwa Yeon

as Yun Jeong Hui

Pemeran Utama

Lee Bong Joon

as Park Ji Hun

Pemeran Utama

Kim Ji Woo

as Ha Yu Gyeong

Pemeran Utama

Kang Hee Gu

Pemeran Pembantu

Kim Tae Hee

as Yoo Eui Jun

Pemeran Pembantu

Chae Jong Hyeok

as Chae In Ho

Pemeran Pembantu

Ok Jin Uk

as Nam Gyeong Tae

Pemeran Pembantu

Yoon Do Gun

as Kang Jae Won

Pemeran Pembantu

Lee Jae Yi

as Hyeon Jin

Pemeran Pembantu

Hwang Sung Bin

as Ju Wan Sik

Pemeran Pembantu

Park Keun Rok

as Sin Jun Gyu

Pemeran Pembantu

Kwon Han Sol

as Cho Han Byeol

Pemeran Pembantu

Han Hyun Jun

as Kim Gi Jae

Pemeran Pembantu

Lee Seung Heon

as Choi Jong Su

Pemeran Pembantu

Kim Ji Hoon

as Ma Du Yeong

Pemeran Pembantu

Kim Dae Hoon

as O Dae Hui

Pemeran Pembantu

Lee Dong Ho

as Lee Sang O

Pemeran Pembantu

Yoon Hyun Sik

as An Tae O

Pemeran Pembantu

Park Ye Ni

as Baek In Gyeong

Pemeran Pembantu

Jeong Seo Yeon

as [Se Hun's mother]

Pemeran Pembantu

Jang Jun Hee

as [Se Hun's father]

Pemeran Pembantu

Kim Young Joon

Pemeran Pembantu

Kang Min Ji

as Park Mi Na

Pemeran Pembantu

Kim Min Ji

as Min Ji An

Pemeran Pembantu

Park Kwan Woo

as [Party people]

Bintang Tamu

Han Jong Kyu

as [Sang Hyeon's younger sibling]

Bintang Tamu

Joo Hyun Young

Bintang Tamu

Park Woo Young

Bintang Tamu

Kim Young Dae (김영대)

Bintang Tamu

Lee Joo Han

as [Police officer in charge]

Bintang Tamu

Oh Do Gun

Screenwriter

Han Jin Won

Screenwriter & Sutradara