Leslie Aiello
В роли: Herself - Head of Graduate School, University College, London (as Prof. Leslie Aiello)

Leslie Aiello
В роли: Себя - Head of Graduate School, University College, London (как Prof. Leslie Aiello)

Joe Cain
В роли: Себя - Science & Technology Studies, University College, London (как Dr. Joe Cain)

Joe Cain
В роли: Himself - Science & Technology Studies, University College, London (as Dr. Joe Cain)

Эдвард Херрманн
В роли: Narrator

Tessa Jubber
В роли: Dora Dart

Chris Rogers
В роли: Svänte Paabo