The Great Sperm Race (2009)

Glenn

Emily

Herself - Fertility Expert

Himself - Evolutionary Psysiologist: University of New Mexico (as Dr Geoffrey Miller)

Lead Sperm

Himself - Reproductive Biologist: Cornell University (as Dr Alex Travis)

Herself - Sperm Physiologist (as Dr Joanna Ellington)

Himself - Sperm Expert: University of Sheffield (as Dr Allan Pacey)

Baby

Himself - Fertility Expert: University of Minnesota (as Dr Chris De Jonge)

Sperm

producător

producător

producător

Himself - Narrator

scriitor