Shoichi Maki
Christian Bale
Mahito Maki (voice)
Soma Santoki
The Parakeet King
Dave Bautista
The Grey Heron
Masaki Suda
Kiriko
Ko Shibasaki
Shoichi Maki
Takuya Kimura
Natsuko
Gemma Chan
Lady Himi
Aimyon
Natsuko (voice)
Yoshino Kimura
Noble Pelican
Willem Dafoe
Izumi (voice)
Keiko Takeshita
Lady Himi
Karen Fukuhara
Eriko (voice)
Sawako Agawa
Granduncle
Mark Hamill
Warawara (voice)
Karen Takizawa
Great-Uncle
Shohei Hino
Gray Heron
Robert Pattinson
Aiko (voice)
Shinobu Ōtake
The Parakeet King
Jun Kunimura
Kiriko
Florence Pugh
Maid #2
Jun Fubuki
Mahito Maki
Luca Padovan
Noble Pelican (voice)
Kaoru Kobayashi
Parakeet
Mamoudou Athie
Parakeet
Tony Revolori
Parakeet
Dan Stevens
Voice
Nami Uehara