Distributia
-
Lance LewmanNarrator (voice)
-
Nancy EtcoffHerself - Psychologist, Harvard Medical School (as Dr. Nancy Etcoff)
-
Peter SingerHimself - Bioethicist, Princeton University (as Prof. Peter Singer)
-
Helen FisherHerself - Anthropologist, Rutgers University
-
Marc FrenchHimself - Owner, Ugly Modeling Agency
-
Kate HardingHerself - Anthropologist
-
Daniel HamermeshHimself - Economics, University of Texas at Austin (as Prof. Daniel Hamermesh)
-
Janet MitchellHerself - Model
-
Nathaniel NewmanEl însuși
-
Joseph McCarthyHimself - Pediatric Plastic Surgeon (as Dr. Joseph McCarthy)
-
Aileen BlitzHerself - Clinical Psychologist (as Dr. Aileen Blitz)
-
Scott CoxHimself - Ridglea Baptist Church, Fort Worth (as Pastor Scott Cox)
-
Sue PetersonHerself - Dallas' Grandmother
-
Jeffrey E. JanisHimself - Chief of Plastic Surgery, Parkland Hospital (as Dr. Jeffrey E. Janis)
-
Del PetersonHimself - Dallas' Grandfather
