굿바이 싱글

김혜수

Go Ju-yeon

Don Lee

Park Pyung-gu

김현수

Kim Dan-ji

김용건

Mr. Kim

Seo Hyun-jin

Sang-mi

곽시양

Ji-hoon

황미영

Mi-rae

전석호

Director Park

안재홍

Deok-su

이수경

Sun-young

이성민

Joo Min-ho

Jin Woo-jin

Gi-cheol

Lee Mi‑do

Lee Ju-hwa

이선빈

Ji-hoon's Girlfriend

강찬희

Hyun-bin

손숙

Middle-aged Actress

정성호

Broadcasting Station Celebrity

정원중

Lee Won-soo

김보윤

Ok-hee

Sin foto

Lim Young-woo

Reporter

윤환

Ji-hoon's Club Friend

김선화

Art Contest School Parent

한은성

Broadcasting Station Entertainer

Kim Soo-yeon

Bicycle Shop Staff