Hi-Five Cast and Crew

Main Cast: Lee Jae-in as Park Wanseo

Main Cast: Ahn Jae-hong as Park Jisung

Main Cast: Yoo Ah-in as Hwang Gidong

Supporting Cast: Ra Mi-ran as Kim Seonnyeo

Supporting Cast: Kim Hie-won as Huh Yakseon

Supporting Cast: Oh Jung-se as Park Jongmin

Supporting Cast: Shin Gu as Seo Yeongchun, the Cult Leader

Supporting Cast: Jinyoung as Young Seo Yeongchun

Supporting Cast: Jin Hee-kyung as Seo Chunhwa

Supporting Cast: Jang Kwang as Hwang Byeongchun

Supporting Cast: Park Hyoung-soo as Cho Sangman

Supporting Cast: Yoo Seung-mok as Song Horim, Chief of Medical Clinic

Supporting Cast: Ahn Seung-gyun as Lee Seunghun

Supporting Cast: Oh Ha-ni as Firefighter's Wife

Supporting Cast: Park Byeong-ryeol as Yonggu

Supporting Cast: Ryu Kyeong-hwan as Sports Day MC

Supporting Cast: Jang Jun-hyeon as Boss of Kidnappers

Supporting Cast: Kim Won-hae as Doctor Oh (Prologue)

Supporting Cast: Lee Dong-hwi as Doctor Go (Prologue)

Supporting Cast: Hyun Bong-sik as Cardiologist

Supporting Cast: Dawon Jung as Jisung's Kidnapper

Director: Kang Hyung-chul

Writer: Kang Hyung-chul

Film Producer: Lee An-na

Film Producer: Kim Woo-taek

Film Producer: Yoo Sung-kwon

Music Director: Kim Jun-seok