キャスト
👤
Stuart Brown
Self (Play Researcher)
👤
Mariana Brussoni
Self (Developmental Psychologist)
👤
Gordon Burghardt
Self (Reptile Researcher)
👤
Matthew Cooper
Self (Neuroscientist)
👤
Geoff D'Eon
Narrator (voice)
👤
Ellen Beate Hansen Sandseter
Self (Child Psychologist)
👤
Kathy Hirsh-Pasek
Self (Developmental Psychologist)
👤
Kathryn Kegel
Self (Seattle Aquarium)