Shim Eun Kyung will be voicing a girl who ran away from home, Ryu Seung Ryong will be voicing her father who searches the entire disaster area of the Seoul Station for his daughter, and Lee Joon will be voicing her boyfriend, who also helps to look for her.

Director Yeon Sang Ho said, "This is a project we've been planning since 2006. It feels so amazing because we're finally able to work on it. We're even happier because we're able to work with the amazing actors who we've always paid attention to."

Ryu Seung Ryong said, "I felt that there was something strong in this movie. I saw Director Yeon Sang Ho's previous works, and I've really wanted to participate in his works. It left an impression on me because of the message it sends, the story that makes you focus, and the balance of the characters."

Shim Eun Kyung said, "His previous work left such a deep impression on me. I'm honored that I got the chance to work with him like this. It'll be a new challenge for me."

Lee Joon added, "I was excited when I read the scenario because of the unique flow. I'm honored to work with Ryu Seung Ryong sunbaenim and Shim Eun Kyung, who I admire."