Sergio Leone's 'A Fistful of Dollars' was heavily inspired by Akira Kurosawa's 'Yojimbo', leading to a legal dispute and subsequent collaboration between the two directors.

Alejandro González Iñárritu and Leonardo DiCaprio collaborated on the 2015 film 'The Revenant', which garnered critical acclaim and won several Academy Awards.

Jean-Pierre Jeunet and Audrey Tautou collaborated on the 2001 film 'Amélie', which won two Academy Awards and became a global phenomenon.

Satyajit Ray and Roberto Rossellini collaborated on the 1955 film 'Pather Panchali', which is considered a landmark in Indian cinema and a masterpiece of neorealism.

Asghar Farhadi and Bérénice Bejo collaborated on the 2011 film 'A Separation', which won the Palme d'Or at the Cannes Film Festival and was nominated for an Academy Award.

Hirokazu Kore-eda and Song Kang-ho collaborated on the 2018 film 'Shoplifters', which won the Palme d'Or at the Cannes Film Festival and was nominated for an Academy Award.

Alfonso Cuarón and Sandra Bullock collaborated on the 2013 film 'Gravity', which won seven Academy Awards, including Best Director for Cuarón.

Luc Besson and Bruce Willis collaborated on the 1997 film 'The Fifth Element', which became a cult classic and is known for its innovative visuals and action sequences.

Ingmar Bergman and Liv Ullmann collaborated on several films, including the 1966 Palme d'Or-winning film 'Persona', which is considered one of Bergman's masterpieces.

Danny Boyle and Dev Patel collaborated on the 2008 film 'Slumdog Millionaire', which won eight Academy Awards, including Best Picture and Best Director.

Abbas Kiarostami and Juliette Binoche collaborated on the 2010 film 'Certified Copy', which received critical acclaim for its exploration of identity and relationships.

Guillermo del Toro and Javier Bardem collaborated on the 2017 film 'The Shape of Water', which won four Academy Awards, including Best Picture and Best Director.

François Ozon and Hanna Schygulla collaborated on the 2002 film '8 Women', which received critical acclaim for its ensemble cast and exploration of female relationships.

Steve McQueen and Chiwetel Ejiofor collaborated on the 2013 film '12 Years a Slave', which won three Academy Awards, including Best Picture and Best Supporting Actor for Ejiofor.

Pedro Almodóvar and Catherine Deneuve collaborated on the 2002 film 'Talk to Her', which received critical acclaim for its exploration of love, loss, and communication.