Kim Hye-soo. Kim Hye-soo was 36 in A Good Day to Have an Affair as 'Dewdrop'.
Yoon Jin-seo. Yoon Jin-seo was 23 in A Good Day to Have an Affair as 'Tweetie'.
Lee Jong-hyuk. Lee Jong-hyuk was 32 in A Good Day to Have an Affair as 'Fox 2'.
Lee Min-ki. Lee Min-ki was 22 in A Good Day to Have an Affair as 'College student'.
Park Hyuk-kwon. Park Hyuk-kwon was 35 in A Good Day to Have an Affair as 'Tweetie's husband'.
Hwang Jeong-min. Hwang Jeong-min was 37 in A Good Day to Have an Affair as 'Dewdrop's friend'.
Yoon Sul-hee. Yoon Sul-hee was 24 in A Good Day to Have an Affair as 'woman in imagination'.
Park Sang-myeon. Park Sang-myeon was 39 in A Good Day to Have an Affair as 'Dew's husband'.
Jang Moon-il. Jang Moon-il was >> in A Good Day to Have an Affair as 'Director'Kim Yeong-ho. Kim Yeong-ho was >> in A Good Day to Have an Affair as 'Director of Photography'Kim Yeong-seok. Kim Yeong-seok was >> in A Good Day to Have an Affair as 'Assistant Director'Chan-ok Joo. Chan-ok Joo was >> in A Good Day to Have an Affair as 'Writer'Mun-il Jang. Mun-il Jang was >> in A Good Day to Have an Affair as 'Writer'Chun Seung-chul. Chun Seung-chul was >> in A Good Day to Have an Affair as 'Producer'Lee Min-su. Lee Min-su was 36 in A Good Day to Have an Affair as 'Producer'Ko Hee-jung. Ko Hee-jung was >> in A Good Day to Have an Affair as 'Costume Design'
Kim Won-jung. Kim Won-jung was 34 in A Good Day to Have an Affair as 'Stunts'
Lee Yu-mi