This documentary is about microorganisms that live, compete, feed, and breed on the surface or in the depths of our bodies.
Narrator (voice)
Himself
Herself
Himself
Daughter
Himself
Himself
Himself
Himself
Himself
Himself
Himself
Himself
Himself
Himself
Baby
Himself
Herself
Himself
Himself
Himself
Himself
Himself
Mum
Herself
Son
Himself
Herself
Himself
Himself
Himself
Himself
Himself
Herself
Himself
Himself
Herself
Himself
Himself
Himself
Dad
Herself
Himself
Director of Photography
Director of Photography
Director
Writer
Writer
Producer
Associate Producer
Editor
Executive Producer
Co-Producer
Producer
Producer
Executive Producer
Original Music Composer