吉米·杜尔特

Jimmy Doherty

饰：Himself - Presenter

Toby Beasley

饰：Himself - Head Gardener, Down House

Steve Jones

饰：自己

Paul Ekman

饰：Self - University of California,1 episode, 2009,

乔治·麦加文

George McGavin

饰：Self - Oxford University Museum of Natural History,1 episode, 2009,