Matthew McCanless
— Peter
Khalil Randle-Myers
— Olly
Isabella Roberts
— Daisy
Reilly Tanner
— Gar
Olivia Garcia
— Sour
Basil Cook
— Stinkbug
Rufaro Rutiziria
— Violet
Aiden DeLancey
— Ominous
Davin Broadhurst
— Michael
Josephine Valentina Monestero
— Faye
Pierce James Besler
— Young Peter
Tricia Lancor
— Peter's Mom (voice)