Claus Nissen as The Perfect Man (from Det perfekte menneske) (archive footage)

Majken Algren Nielsen as The Perfect Woman (from Det perfekte menneske) (archive footage)

Daniel Hernandez Rodriguez as The Perfect Man (segment "Cuba")

Jacqueline Arenal as The Perfect Woman (segment "Cuba")

Vivian Rosa as (segment "Cuba")

Jørgen Leth as Voice-over (from Det perfekte menneske) / Self - Director / +

Patrick Bauchau as The Perfect Man / Voice-over (Brussels) / Speaker (Cartoon)

Alexandra Vandernoot as The Perfect Woman (segment "Brussels")

Marie Dejaer as Maid (segment "Brussels")

Pascal Perez as Couple (Man) (segment "Brussels")

Meschell Perez as Couple (Woman) (segment "Brussels")

Bent Christensen as Gangster (from Det gode og det onde) (segment "Cartoon")

Anders Hove as Naked Man (from Notater om kærligheden) ( segment "Cartoon")

Charlotte Sieling as Naked Woman (from Notater om kærligheden) ( segment "Cartoon")

Jan Nowicki as Man with Jacket (from Notater om kærligheden) ( segment Cartoon)

Stina Ekblad as Woman with Money (from Notater om kærligheden) (segment Cartoon)

Lars von Trier as Self / Obstructor (segment "The Conversations")

Bob Sabiston as Self (segment "The Perfect Human: Cartoon") (uncredited)