15
The Hoax

The Hoax
Julie Delpy plays the character of Danish singer and actress Nina van Pallandt in the movie 'The Hoax'. She is the mistress of the hoaxer Clifford Irving (played by Richard Gere) who is trying to convince the world that he has written an authorized autobiography of Howard Hughes. 

14
2 Days in Paris

2 Days in Paris
Julie Delpy plays the lead role of Marion in '2 Days in Paris'. She is a French woman who lives in New York and is returning to Paris with her American boyfriend, Jack, to meet her parents. She is a bit neurotic and has difficulty communicating her feelings to Jack, which leads to a number of misunderstandings between them. Julie Delpy also wrote, directed and co-produced the film.

13
But I'm a Cheerleader

But I'm a Cheerleader
In the movie 'But I'm a Cheerleader', Julie Delphy portrays the character of Lipstick Lesbian. 

12
The Air I Breathe

The Air I Breathe
In the 2007 crime drama 'The Air I Breathe', Julie Delpy portrays Gina, a character who is part of a star-studded ensemble cast. Delpy's role is relatively minor compared to the film's primary characters, but her presence contributes to the interconnected narrative. 

11
The Bachelors

The Bachelors
In the 2017 drama-comedy film 'The Bachelors', Julie Delpy plays the character of Carine Roussel, a French teacher who becomes an important figure in the lives of the film's central characters. The movie follows Bill (portrayed by J.K. Simmons) and his son Wes (played by Josh Wiggins) as they navigate the challenges of loss and new beginnings.

10
Mauvais sang

Mauvais sang
In the French movie 'Mauvais Sang', Julie Delpy plays the character of Lise, the girlfriend of a rebellious tennager named Alex (played by Denis Lavant).

9
Broken Flowers

Broken Flowers
In the movie 'Broken Flowers', Julie Delpy played the character of Sherry.

8
Avengers: Age of Ultron

Avengers: Age of Ultron
In the movie 'Avengers: Age of Ultron',  Julie Delpy appears as Madame B., who mentored Black Widow into becoming an assassin.

7
Europa Europa

Europa Europa
In the historical war drama film 'Europa Europa', Julie Delpy plays the character of Leni a member of the Bund Deutscher Mädel who serves meals at the Academy, becomes infatuated with Solek, the film's lead character played by Marco Hofschneider.

6
Trois Couleurs: Blanc

Trois Couleurs: Blanc
In the 1994 film 'Trois Couleurs: Blanc' (Three Colors: White), a part of Krzysztof Kieślowski's acclaimed Three Colors trilogy, Julie Delpy plays the role of Dominique, a key character in the film. She portrays the estranged wife of Karol, the film's central character, played by Zbigniew Zamachowski.

5
Trois Couleurs: Bleu

Trois Couleurs: Bleu
In the 1993 film 'Trois Couleurs: Bleu', the first installment of Krzysztof Kieślowski's renowned Three Colors trilogy, Julie Delpy plays the character of Dominique.

4
Before Midnight

Before Midnight
In the 2013 film 'Before Midnight', Julie Delpy reprises her role as Celine, a character she has portrayed in three films in collaboration with director Richard Linklater, including 'Before Sunrise' and 'Before Sunset'. In this installment, Celine is now in her 40s, and she and her partner, Jesse (Ethan Hawke), are on vacation in Greece. 

3
Before Sunrise

Before Sunrise
In the 1995 romantic drama 'Before Sunrise', Julie Delpy portrays Celine, a young French woman who meets and forms a deep connection with Jesse (Ethan Hawke), an American tourist, during a train journey. Delpy's performance as Celine is captivating as she engages in spontaneous and profound conversations with Jesse while they spend a single night together in Vienna.

2
Trois Couleurs: Rouge

Trois Couleurs: Rouge
Julie Delpy plays the lead role of Julie Vignon in the 1993 French drama film Trois couleurs: Rouge (Three Colors: Red). The film, which is the final installment of the Three Colors Trilogy, follows Julie as she discovers the hidden connections between seemingly unrelated people. Delpy's performance earned her a César Award nomination for Best Actress.

1
Before Sunset

Before Sunset
  In the 2004 romantic drama 'Before Sunset', Julie Delpy reprises her role as Celine, a character she first portrayed in 'Before Sunrise'. Celine, now in her 30s, encounters Jesse (Ethan Hawke) again in Paris, nine years after their initial meeting. Delpy's performance captures the evolution of Celine, a woman still marked by the profound connection she shared with Jesse.