The Call Cast and Crew

Main Cast: Shin-hye Park as Seo-yeon

Main Cast: Jeon Jong-seo as Young-sook

Main Cast: Kim Sung-ryung as Seo-yeon's mother

Supporting Cast: Lee El as Young-sook's mother

Supporting Cast: Oh Jung-se as Seong-ho

Supporting Cast: Lee Dong-hwi as Baek Mi-hyun

Director: Lee Chung-hyun

Writer: Lee Chung-hyun