Sveva Alviti as Iolanda Gigliotti, aka "Dalida"

Riccardo Scamarcio as Bruno Gigliotti, aka "Orlando"

Jean-Paul Rouve as Lucien Morrise

Niels Schneider as Jean Sobieski

Alessandro Borghi as Luigi Tenco

Nicolas Duvauchelle as Richard Chanfray

Valentina Carli as Rosy Gigliotti

Patrick Timsit as Bruno Coquatrix

Vincent Perez as Eddie Barclay

Michaël Cohen as Arnaud Desjardins

Laurent Bateau as Psychiatre

Brenno Placido as Lucio Sanieri

Philippe Blondelle as Friend of Dalida

F. Haydee Borelli as Giuseppina Gigliotti

Marieke Bouillette as Drap d'Or cabaret singer

Rose Caprais as Drap d'Or Presenter

Bertrand Chamerois as Sunday friend

Virgile Daudet as Sunday friend

Eulalie Elsker as Agathe Aëms, Lucien's wife

Stéphane Foenkinos as Journalist Olympia

Juliette Galoisy as Friend

Benoît Gourley as TV journalist trial

Vittorio Hamarz Vasfi as Pietro Gigliotti

Deborah Kahn as Sunday friend

Harmage Singh Kalirai as Swami Prajnanpad

Sidonie Laurens as Room maid

Davide Lorino as Orlando, the eldest

Josette Ménard as Jacqueline

Michaël Mercier as Gynecologist

Gabriella Meroni as Maria Teresa

Iman Messou as Production assistant

Olivier Meurville as Claude Carrère

Juliette Mézergues as Housekeeper cooker

Antoine Nembrini as Sunday friend

François Patissier as Doctor Palais des Sports

Jacques Pessis as Ankara journalist

Elena Rapisarda as Dalida at 7

Gaëlle Rapp as Mom with autographs

Bruno Ricci as Italian journalist

Olivier Richard as Hospital doctor

Laurent Saint-Gérard as José Artur

Roby Schinasi as Pascal Sevran

Georgey Souchette as Lester

Nico Max Tedeschi as Gianni Ravera

Joseph Toledano as Spectator interviewed Olympia

Nicolas Ullmann as Olympia presenter

Éric Wapler as Psy Dalida

Jonathan Boudina as Simon

Alexis Larrue as Receptionist (uncredited)

Marc Brun Adryan' as Italian journalist (uncredited)

Giuseppe Ricci as Air France Passenger (uncredited)

Laetitia Chambon as (uncredited)