Kang Haneul: 1990
Park Sieun: 1980
10 years of age difference
Nam Joohyuk: 1994
Jisoo: 1993
1 year of age difference
IU: 1993
Kang Haneul: 1990
3 years of age difference
IU: 1993
Lee Joonki: 1982
11 years of age difference
Nam Joohyuk: 1994
Baekhyun: 1992
Jisoo: 1993
Nam Joohyuk: 1994
Park Sieun: 1980
14 years of age difference
Hong Jonghyun, Kang Haneul: 1990
Kim Sungkyun: 1980
Lee Joonki: 1982
2 years of age difference
Lee Joonki: 1982
Kim Sunho: 1981
1 year of age difference
-Lee Joonki looks younger than he actually is..
-The age difference between Kim Sungkyun and Lee Joonki is the most shocking one for me..
-Park Sieun really does have a baby-faceㄷㄷ She doesn't look like her actual age..
-Park Sieun and Lee Joonki, they both look so much younger than their actual age..
-Lee Joonkiㅠㅠㅠㅠ
-Lee Joonki has a baby face..
-Ah.. I'm getting goosebumps.. I forgot Lee Joonki's real age for a second..
-Kang Haneul is much younger than I thought he would be..
-Park Sieun.. She's so beautiful..
-Hul.. Kang Sky is unexpectedly younger than I thought he would be..
-I stopped at Kim Sungkyun and Lee Joonki for a few seconds..
-Lee Joonki looks younger than his actual age.. Wait a minute.. Are you... sure... that.. he's... actually.. 35 years old...????
-Hul.. The age difference between Kang Haneul and IU is only 3 years apart..????
-Hul.. I can't believe that Kang Haneul is a '90liner..
-Park Sieun is so beautiful.. Whoa..
-Lee Joonki is a '82liner..?? Oh My Goodness..
-Does that mean that Kim Sungkyun and Park Sieun are the same age..?????
-Whoa.. Lee Joonki is so unbelievable..
-Hong Jonghyun and Kang Haneul are younger than I thought they would be..
-Hul.. Kang Haneul is quite young..
-Kang Sky and Minseok are the same age!!!
-Lee Joonki and Park Sieun look so young..
-I can't believe that Park Sieun is a '80liner.. She's so beautiful..
-Baekhyun doesn't look like a '92liner.. He looks like a '02linerㅋㅋㅋㅋㅋ
-Joohyuk is the youngest actor in this dramaㅠㅠㅠㅠㅠㅠㅠㅠ
-Lee Joonki is a vampire...
-Lee Joonki's real age shocks me the most..