Emma Roberts
Rex Simpson
Tom Hopper
Logan O'Leary
Poppy Liu
Nadine Cai
Gabrielle Union
Pam Proctor
Kuhoo Verma
Violet Marie Vislawski
Desi Lydic
Dr. Stacy Kellogg
Sebastián Yatra
Toddrick Spencer
Sam Robards
Rex's Dad (Calvin Simpson)
Dave Foley
Rudolph Bolton
Yasha Jackson
Grace Jackson
Andrew Call
Captain Jack Mancini
Josephine Huang
Miriam Osprey
Troy Iwata
Hector Kaneko
Caroline Concannon
Rex Simpson - 8 years old
