(Actress Chae Soo-bin's Instagram account)

Park Bo-gum and Kwak Dong-yeon showed their support for their former co-star Chae Soo-bin.

Park and Kwak came to watch the Korean rendition of ”Blackbird,“ starring Chae.

All three actors worked together on the hugely popular historic series “Moonlight Drawn by Clouds.”

“Men of brotherhood,” Chae wrote on her Instagram account Monday accompanied with a photo. “Thank you (Prince) Young and Byung-yun for coming.”

(ToIn Entertainment)

Originally by Scottish playwright David Harrower, the play depicts an uncomfortable encounter of a woman in her late 20s and a man in 50s, 15 years after she was sexually abused by him. Chae played the female lead in her 20s. The final staging of the play took place Sunday.

(Soohyunjae Company)

By Son Ji-hyoung (json@heraldcorp.com)