Cécile Cassel (born 25 June 1982) is a French actress and singer. Since 2002, she has appeared in a number of films and television series. She is also a recording artist using the stage name HollySiz.

KNOWN FOR

Sex and the City
2004
Victoires de la musique
2008
La chanson de l'année
2014
Culte
2025
Head in the Clouds
2004
Two Is a Family
2016
The Romance of Astrea and Celadon
2007
Paris or Perish
2013
The Brides of Bourbon Island
2007
The First Day of the Rest of Your Life
2008
The Gilded Cage
2013
My Last Five Girlfriends
2010

FILMOGRAPHY

All
Movies
TV
Acting
42
2025
Nos Voix Pour Toutes 2025
as Self : alias Hollysiz
2025
Culte
as Valérie
2022
In France with Madonna
as Self
2021
Hommage à Michel Legrand et Jacques Demy au festival Sœurs Jumelles
as Self
2021
Upon Her Lips: Pure Feels
as Marion
2017
Taratata fête ses 25 ans 100% live au Zénith
as Self
2016
Two Is a Family
as Lila, stewardess
2016
Among the Mermaids
as Marion
2014
La chanson de l'année
as Self
2013
Paris or Perish
as Alexandra
2013
The Gilded Cage
as Romane
2012
Just Like Brothers
as Jeanne
2011
Leila
as Alexandra
2011
Saturday Girls
as Eva
2010
My Last Five Girlfriends
as No. 3: Rhona
2010
Nuit Bleue
as Antonia
2009
Ex
as Monique
2009
Barbarossa
as Beatrice di Borgogna
2009
Sous un autre jour
as Joséphine
2009
You'll Miss Me
as Anna
2008
Coco Chanel
as Gabrielle Dorziat
2008
The First Day of the Rest of Your Life
as Prune
2008
Souvenir
as Party guest
2008
Rien dans les poches
as Anne
2008
Victoires de la musique
as Self
2007
The Romance of Astrea and Celadon
as Léonide
2007
The Brides of Bourbon Island
as Louison Laforge
2006
O Jerusalem
as Jane
2006
The Mona Lisa Mystery
as Mariuccia
2005
Foon
as Une étudiante
2005
Love Is in the Air
as Clémence
2004
Everybody Is a Killer
as Mireille, la majorette
2004
Head in the Clouds
as Céline Bessé
2004
Sex and the City
as Chloe Petrovsky
2003
Sans elle...
as Punky
2003
L'Adieu
as Isabelle
2002
La bande du drugstore
as Charlotte Stroemann
2002
Alive
as Isa
2002
Boomer
as Coralie
2002
À l'abri des regards indiscrets
as La comédienne ratée
2002
Justice de femme
as Karine
2001
Salut la vie
as Caroline