In a world where an AI programme allows people to communicate with their deceased loved ones, a flight attendant and a mother question the meaning of reality and humanity.
Bai Li
Koo Jeong-in
Park Tae-ju
Seo Hae-ri
Kim Hyun-soo
Sung-jun
Choi Jin-gu
Song Jeong-ran
Lee Yong-sik
Hae-ri's Father
Hae-ri's Mother
Gil-soon
Stella
Hanan
Danny
Yong-sik's Wife
Yong-sik's Son
Yong-sik's Daughter
Hwa-ran
Male Employee at the Airport
Tae-ju's Doctor
Investigative Detective
Hae-ri's Colleague
Hyun-mi
Tae-ju's Senior on the Subway
Jeong-in's Colleague on the Subway
Senior Purser
Jeong-in's Colleague
Taxi Driver
Young Hae-ri
Rehabilitation Therapist
Airport Passerby
Programmer
