Calificación
Reparto

Hyppo Audouy
Himself - Narrator (voice)

Stéphane Chassagne
Himself - Urologist

Martin Knight
Himself - Bioengineer

Steven Soifer
Himself - Psychologist

Sally Magnusson
Herself - Writer

Martin Lara
Himself - Urotherapist

Wu Yunhua
Himself - Therapist

Ximin Du
Himself - Urotherapist

Duaqing Pei
Himself - Researcher

Shaker Mousa
Himself - Researcher

Scott Chen
Himself - Ecological Farmer

Jes Thomsen
Himself - Greentech Director

Gerardine Botte
Herself - Researcher

Mike Jetten
Himself - Microbiologist