菲利普·穆格

Philipp Moog

饰：Narrator,

Norman Doidge

饰：Self,(as Dr. Norman Doidge)

Ed Diener

饰：Self,(as Prof. Dr. Ed Diener)

Hauke Heekeren

饰：Self,(as Prof. Hauke Heekeren)

Oda Jaune

饰：Self

Ruut Veenhoven

饰：Self,(as Prof. Ruut Veenhoven)