Question: The 1957 Cannes Film Festival opened with what film starring Cantinflas and David Niven?

Context articles: Chasing Shakespeare
Around the World in 80 Days (1956 film)
Cantinflas
El analfabeto
Guendalina
Giulietta Masina
Here's the Point
1957 Cannes Film Festival
Su Excelencia
Don Quixote (1957 film)

Chasing Shakespeare is a 2013 film directed by Norry Niven, and starring Danny Glover, Ashley Bell, and Graham Greene.
 The premiered at the Dallas International Film Festival Festival in April 2013, and was opening night film at the Breckenridge Film Festival, The Montreal Black Film Festival, The 38th annual Native American Film Festival in San Francisco on November 1, 2013, The African Diaspora Film Festival NY and The Orlando Film Festival.
 It has been nominated 36 times in as many festivals, winning 27 awards including Best Feature Film at The FirstGlance Film Festival, Best of Fest at The Big Island Film Festival, Best Feature Film at the AFI Cannes Film Festival, Audience Choice, Best Opening Title Sequence at SXSW, Best Dram/Romance at The WorldFest Houston Film Festival, Best Feature Film at the World Peace Initiative The Hampton's Film Festival and Best Director at Red Nations Film Festival and The Orlando Film Festival.
 The film was written by James Bird.
Around the World in 80 Days (sometimes spelled as Around the World in Eighty Days) is a 1956 American epic adventure-comedy film starring Cantinflas and David Niven , produced by the Michael Todd Company and released by United Artists.
Mario Fortino Alfonso Moreno Reyes, known casually as Mario Moreno, and known professionally as Cantinflas (August 12, 1911 – April 20, 1993), was a Mexican comic film actor, producer, and screenwriter and an iconic figure in Mexico and Latin America.
 He often portrayed impoverished "campesinos" or a peasant of "pelado" origin.
 The character came to be associated with the national identity of Mexico, and allowed Cantinflas to establish a long, successful film career that included a foray into Hollywood.
 Charlie Chaplin once commented that he was the best comedian alive, and Moreno has been referred to as the "Charlie Chaplin of Mexico".
 To audiences in the United States, he is best remembered as co-starring with David Niven in the Academy Award winner for Best Picture film "Around the World in 80 Days", for which Moreno won a Golden Globe Award for Best Actor – Motion Picture Musical or Comedy.
El analfabeto (English: The Illiterate One ) is a 1961 Mexican comedy film, directed by Miguel M. Delgado, starring Cantinflas, Lilia Prado, and Sara García.
 It is the second Cantinflas film presented by Columbia Pictures.
Guendalina is a 1957 Italian comedy film directed by Alberto Lattuada.
 It was entered into the 1957 Cannes Film Festival.
Giulietta Masina (22 February 1921 – 23 March 1994) was an Italian film and stage actress.
 She starred in "La Strada" and "Nights of Cabiria", both winners of the Academy Award for Best Foreign Language Film, in 1954 and 1957, respectively.
 Masina won the Best Actress award at the 1957 Cannes Film Festival for the latter film.
Here's the Point (Spanish:Ahí está el detalle) is a 1940 Mexican comedy film starring Cantinflas.
 It was produced by Jesús Grovas and directed by Juan Bustillo Oro, and also features Joaquín Pardavé, Sara García, Sofía Álvarez, and Dolores Camarillo.
 It was the twelfth film in Cantinflas's career, considered one of his best by Mexican film critics, as well as one of Mexico's best films.
The 10th Cannes Film Festival was held from 2 to 17 May 1957.
 The Palme d'Or went to the "Friendly Persuasion" by William Wyler.
 The festival opened with "Around the World in 80 Days" by Michael Anderson.
Su excelencia (English: Your Excellency ) is a 1967 Mexican political satire film directed by Miguel M. Delgado and starring Cantinflas, Sonia Infante, and Guillermo Zetina.
 The film is set in a fictional dystopia where "Red" and "Green" countries are the political equivalents of the socialist and capitalist countries of the Cold War, which the film satirizes.
 Cantinflas portrays Lopitos, a chancellor stationed in his country's (Republica de Los Cocos) embassy in the communist country of Pepeslavia who later ascends to the role of ambassador and has to decide the pivotal vote of joining the "Reds" or the "Greens", therefore deciding the fate of one hundred nations.
Don Quixote (Russian: Дон Кихот , translit.
 Don Kikhot) is a 1957 Soviet drama film directed by Grigori Kozintsev.
 It is based on Evgeny Shvartz's stage adaptation of Miguel de Cervantes's novel of the same name.
 It was entered into the 1957 Cannes Film Festival.
 It opened in the United States in 1961, beginning its U.S. run on January 20.