Brandon Soo Hoo

as Tom Lee (voice)

Henry Golding

as Hu (voice)

Lucy Liu

as Nua Kua / Cynthia (voice)

Sandra Oh

as Mistral (voice)

Michelle Yeoh

as Loo (voice)

Bowen Yang

as Sidney (voice)

Leah Lewis

as Räv (voice)

Tan Kheng Hua

as Mrs. Lee (voice)

Sherry Cola

as Naomi (voice)

Deborah S. Craig

as Pig (voice)

Jo Koy

as Rooster (voice)

Greta Lee

as Rabbit (voice)

Diana Lee Inosanto

as Horse (voice)

Patrick Gallagher

as Dog (voice)

Poppy Liu

as Snake (voice)

Lydie Loots

as Baby Tom (voice)

Raman Hui Shing-Ngai

as Radio Announcer (voice)

Ryan Christopher Lee

as Liam (voice)

Josh Zuckerman

as Rudy (voice)

Benjamin Plessala

as Additional Voices (Voice)