Full Cast & Crew
Cast (12)
Lee Ji-hyun as Romi (voice)
Jo Kyoung-i as Heartsping (voice)
Choi Nak-yoon as Heart King / Monster Truthping (voice)
Yeo Min-jeong as Belita / Girl (voice)
Hong So-young as Stella (voice)
Hong Bum-ki as Dr. Monziu / General Teenieping (voice)
Kim Ha-yeong as Marie (voice)
Ryu Seung-gone as Liam / Butler (voice)
Cho Hyun-jung as Truthping (voice)
Kim Eun-ah as Happying / Young Liam / Girl's Mom (voice)
Jang Ye-na as Lalaping / Maid / Stickping (voice)
Um Sang-hyun as Mr. Bus Stop / Freezeping (voice)
Directing (1)
Kim Su-hoon · Director
Writing (3)
Jo Yeong-gwang · Storyboard
Naruhisa Arakawa · Writer
Ryota Yamaguchi · Original Story
Production (5)
Kang Byeong-chae · Producer
Kim Su-hoon · Executive Producer
Min Seul-ki · Producer
Shin Hyeon-deok · Producer
Song Mi-seon · Producer
Art (3)
Im Ji-eun · Production Design
Kim Yu-jin · Production Design
Seo Bo-guk · Art Direction
Sound (3)
Jo Seong-hee · Sound
Kim Tae-ho · Music
Winter · Theme Song Performance
Visual Effects (2)
Kim Dae-yeol · VFX Supervisor
Kim Young-jin · Animation Director