Lee Bowes

饰：Herself

Lucy L. Brown

饰：Herself - Neuroscientist

Lori Caulfield

饰：Herself

Peter Cove

饰：Himself

Lisa DeBruine

饰：Herself - Psychologist, University of Aberdeen

David Feinberg

饰：Himself - Psychologist, McMaster University, Canada

Gordon Gallup

饰：Himself - Psychologist, University at Albany

Karl Grammer

饰：Himself - Evolutionary Biologist, University of Vienna, Austria

Julia Grob

饰：Herself

Martie Haselton

饰：Herself - Psychologist, UCLA

艾莉森·瑞德

Alyson Reed

饰：自己

帕克·扬

Parker Young

饰：自己

Felicia Lukezic

饰：自己

James Rhine

James Rhine

饰：自己

Jarrah Korba

饰：自己 Self

Alan Dunn

饰：自己 Self

艾莉森·瑞德

Alyson Reed

饰：Narrator,

Farrah Shaikh

Farrah Shaikh

饰：Lead Female

Julia Faye West

Julia Faye West

饰：Self,(as Julia Faye) (credit only)