Gaspard Ulliel as Yves Saint Laurent

Jérémie Renier as Pierre Bergé

Léa Seydoux as Loulou de la Falaise

Louis Garrel as Jacques de Bascher

Amira Casar as Anne-Marie Munoz

Aymeline Valade as Betty Catroux

Helmut Berger as Yves Saint Laurent in 1989

Jasmine Trinca as Talitah Getty

Valeria Bruni Tedeschi as Client

Brady Corbet as Business man Squibb

Dominique Sanda as Lucienne

Robert Peoples as 1971 fashion show guest

Kate Moran as Vibeke

Jonathan Louis as Man in the evening

Anaïs Couette as Translator

Ernst Umhauer as Pascal, the young journalist

Serge Bozon as Parade organizer

Joanna Grudzinska as

Faouzi Bensaïdi as Butler

Alice Barnole as Madeleine, pregnant dressmaker

Anaïs Romand as Dressmaker

Maïa Sandoz as

Iliana Zabeth as Young dressmaker

Guillaume Verdier as Legionnaire

Antoine Cholet as

Bertrand Bonello as Journalist Libé

Thomas Bidegain as Journalist Libé

Thierry de Peretti as Editor-in-chief Libé

Benjamin Crotty as Andy Warhol (voice)

Pauline Jacquard as Fashion model

Laure Giappiconi as Erica