
AN INDEPENDENT PRODUCTION COMPANY
FOR FEATURE FILMS & TV/WEB DRAMA

HALLEY PRODUCTION (previously known as MARE NOSTRUM) is an independent French production company creating films for French, European, and international audiences. Deeply committed to European co-productions, the company’s mission is to produce films with a strong artistic vision, rooted in local and European history, by bringing together talent from across the continent driven by a shared creative ambition.
The company was founded by Alexandra Lebret, who has been a central figure in the film industry since 2001 through her role as Director of the European Producers Club. Drawing on this extensive experience, Alexandra is actively involved in international co-production and film financing.
Alexandra Lebret later partnered with Andrea Marcelli to further strengthen HALLEY PRODUCTION’s commitment to impactful filmmaking. Andrea brings broad expertise in international fiction editing, sustainability, and strategic operations, expanding the company’s vision and reach. Drawing on his knowledge of the industry, Corentin Koskas joined the company in 2025 to expand its production and innovation capabilities, contributing to the development of new projects and exploring new opportunities.
The company has produced a dozen films and received multiple awards, confirming HALLEY PRODUCTION’s strong presence at major festivals and within international markets. Today, the company plays a key role in the development of films and TV/Web series with a bold editorial identity, continually innovating to surprise and engage audiences across Europe and beyond.
FILMS
LA CENA
directed by Manuel Gomez Pereira
Goya Awards 2026 / 8 nominations
MI AMOR PERDIDO
directed by Emilio Martínez-Lázaro
ROSA'S WEDDING
directed by Iciar Bollain
NUMBERS
directed by Oleg Sentzov
INSIDERS
directed by Daniel Calparsoro
Beaune International Thriller Film Festival
Festival Reflets Villeurbanne
CAMPEONES
directed by Javier Fesser
Oscars / Spanish candidate
San Sebastian International Film Festival
Seattle International Film Festival / Official Selection
MR. NO PROBLEM
directed by Mei Feng
Tokyo International Film Festival / Best Artistic Contribution
Fajr International Film Festival, Teheran / Silver Simorgh Jury Special Prize
Taipei Golden Horse / Best Lead Actor & Best Adaptation
Beijing International Film Festival /Tiantan award / Best Lead Actor & Adaptation
ALTAMIRA
directed by Hugh Hudson
British Film Festival, Dinard
MA MA
directed by Julio Medem
Toronto Film Festival / Official Selection
Best Actress Penelope Cruz & Best Original Music
THE PROPAGANDA GAME
directed by Alvaro Longoria
San Sebastián International Film Festival
World Premiere / Cinema Writers Circle Awards Best Documentary
L'HOME DELS NASSOS
directed by Abigail Schaaff
THIS IS NOT BERLIN
directed by Hari Sama
Sundance Film Festival / Official Selection
IN DEVELOPMENT
PRIMO VIAGGIO
[IN POST-PRODUCTION]
written & directed by Allessandro Cassigoli & Casey Kauffman
coproduced with Sacher Films
CARREAU
directed by Javier Polo
coproduced with Los Hermanos Polo & Lastcrit
ROMA SHOCKING
written and directed by Angela Norelli
coproduced with Lucky Red
COLD SUN
written and directed by Gentian Koçi
MÉLUSINE
written and directed by Clément Safra