Characters played by Mirai Shida
Arietti
Characters played by Ryûnosuke Kamiki
Shô
Characters played by Tatsuya Fujiwara
Supirâ
Characters played by Tomokazu Miura
Poddo
Characters played by Shinobu Ôtake
Homirî
Characters played by Keiko Takeshita
Sadako
Characters played by Kirin Kiki
Haru
Characters played by Shin'ichi Hatori
Yûbin haitatsuin
Characters played by Luke Allen-Gale
Spiller
Characters played by Stephen Alpert
Additional Voices
Characters played by Moises Arias
Spiller
Characters played by Will Arnett
Pod
Characters played by Carol Burnett
Hara
Characters played by Ray Gillon
Additional Voices
Characters played by David Henrie
Shawn
Characters played by Peter Jason
Additional Voices
Characters played by Karey Kirkpatrick
Additional Voices
Characters played by Phyllida Law
Sadako
Characters played by Frank Marshall
Additional Voices
Characters played by Geraldine McEwan
Haru
Characters played by Gracie Moore
Aunt Jessica
Characters played by Amy Poehler
Homily
Characters played by Dale Sison
Harachi
Characters played by Olivia Colman
Homily
Characters played by Tom Holland
Shô
Characters played by Saoirse Ronan
Arrietty
Characters played by Mark Strong
Pod