Kang Ha Ra (16 Episodes)

Lee Seo Jin (16 Episodes)

Lee Woo Jin (16 Episodes)

Choi Dong Yeong (16 Episodes)

Jin Sun Mi (16 Episodes)

Choi Gi Chan (16 Episodes)

Kang Suk (16 Episodes)

Song Soo Ji (16 Episodes)

Teacher Ma (16 Episodes)

[Choi Ki Chan's colleague detective] (1 Episodes)