Cast
SuminSelf
Sumin was 20 in STAYC - Season 3 - [STAY:SEE👀] #31 연말 그거 좋은 거였다…💘 | 2021 연말무대 Behind (Episode 1). Birthday: Tue, Mar 13 2001
SieunSelf
Sieun was 20 in STAYC - Season 3 - [STAY:SEE👀] #31 연말 그거 좋은 거였다…💘 | 2021 연말무대 Behind (Episode 1). Birthday: Wed, Aug 01 2001
IsaSelf
Isa was 19 in STAYC - Season 3 - [STAY:SEE👀] #31 연말 그거 좋은 거였다…💘 | 2021 연말무대 Behind (Episode 1). Birthday: Wed, Jan 23 2002
SeeunSelf
Seeun was 18 in STAYC - Season 3 - [STAY:SEE👀] #31 연말 그거 좋은 거였다…💘 | 2021 연말무대 Behind (Episode 1). Birthday: Sat, Jun 14 2003
YoonSelf
Yoon was 17 in STAYC - Season 3 - [STAY:SEE👀] #31 연말 그거 좋은 거였다…💘 | 2021 연말무대 Behind (Episode 1). Birthday: Wed, Apr 14 2004
JSelf
J was 17 in STAYC - Season 3 - [STAY:SEE👀] #31 연말 그거 좋은 거였다…💘 | 2021 연말무대 Behind (Episode 1). Birthday: Thu, Dec 09 2004
![Poster of Cast and Crew in STAYC - [STAY:SEE👀] #31 연말 그거 좋은 거였다…💘 | 2021 연말무대 Behind (Season 3 - Episode 1) - [STAY:SEE👀] #31 연말 그거 좋은 거였다…💘 | 2021 연말무대 Behind](http://en.actoragecheck.com/lost-image.jpg "Cast and Crew in STAYC - [STAY:SEE👀] #31 연말 그거 좋은 거였다…💘 | 2021 연말무대 Behind (Season 3 - Episode 1) - [STAY:SEE👀] #31 연말 그거 좋은 거였다…💘 | 2021 연말무대 Behind")
Sumin
Sieun
Isa
Seeun
Yoon
J