Question: Who stars as the concierge in the film that opened the 64th Berlin International Film Festival?

full_context: Document 1: Adam Stockhausen: Adam Stockhausen is a production designer. Stockhausen, along with set decorator Anna Pinnock won the Academy Award for Best Production Design for the 2014 film "The Grand Budapest Hotel". Previously he was nominated for the Academy Award for Best Production Design for the 2013 film "12 Years a Slave" together with set decorator Alice Baker. He is also nominated for the Academy Award for Best Production Design for the 2015 film "Bridge of Spies" along with set decorators Bernhard Henrich and Rena DeAngelo.
Document 2: 44th Berlin International Film Festival: The 44th annual Berlin International Film Festival was held from February 10 to 21, 1994. The Golden Bear was awarded to British-Irish film "In the Name of the Father" directed by Jim Sheridan. The retrospective dedicated to Austrian director, actor and producer Erich von Stroheim was shown at the festival.
Document 3: Institute Benjamenta: Institute Benjamenta, or This Dream People Call Human Life, released in 1996, was the first feature-length film by the Brothers Quay, produced by Keith Griffiths and Janine Marmot. It is based on "Jakob von Gunten", a novel written by Robert Walser. It stars Mark Rylance, Alice Krige, and Gottfried John.
Document 4: The Darjeeling Limited: The Darjeeling Limited is a 2007 American adventure comedy-drama film directed by Wes Anderson which he co-produced with Scott Rudin, Roman Coppola and Lydia Dean Pilcher and co-wrote with Coppola and Jason Schwartzman. The film stars Owen Wilson, Adrien Brody and Schwartzman and also features Waris Ahluwalia, Amara Karan, Barbet Schroeder and Anjelica Huston with Natalie Portman, Camilla Rutherford, Irrfan Khan and Bill Murray in cameo roles.
Document 5: 55th Berlin International Film Festival: The 55th annual Berlin International Film Festival was held from February 10–20, 2005. "Man to Man" by Régis Wargnier served as opening night film. The festival closed with "Kinsey" by Bill Condon. The Golden Bear was awarded to South African film "U-Carmen eKhayelitsha" directed by Mark Dornford-May.
Document 6: 14th Berlin International Film Festival: The 14th annual Berlin International Film Festival was held from 26 June to 7 July 1964. The Swedish film "491" by Vilgot Sjöman was rejected by festival director "Alfred Bauer" owing to its controversial nature. The Golden Bear was awarded to the Turkish film "Susuz Yaz" directed by Metin Erksan.
Document 7: Wes Anderson: Wesley Wales Anderson (born May 1, 1969) is an American film director, film producer, screenwriter, and actor. His films are known for their distinctive visual and narrative style.
Document 8: 61st Berlin International Film Festival: The 61st annual Berlin International Film Festival was held from 10 to 20 February 2011, with actress Isabella Rossellini as the President of the Jury. The Coen Brothers film "True Grit" opened the festival. 300,000 tickets were sold in total during the event, to 20,000 attendees from 116 countries, including 3900 members of the press. German actor Armin Mueller-Stahl received the Honorary Golden Bear for lifetime achievement. The Golden Bear for Best Film went to the Iranian film "Nader and Simin, A Separation", directed by Asghar Farhadi, which also served as the closing film at the festival.
Document 9: The Grand Budapest Hotel: The Grand Budapest Hotel is a 2014 comedy film written and directed by Wes Anderson, from a story by Anderson and Hugo Guinness, inspired by the writings of Stefan Zweig. Featuring an ensemble cast, it stars Ralph Fiennes as a concierge who teams up with one of his employees (Tony Revolori) to prove his innocence after he is framed for murder.
Document 10: Hotel Chevalier: Hotel Chevalier is an American-French short film written and directed by Wes Anderson and released in 2007. Starring Jason Schwartzman and Natalie Portman as former lovers who reunite in a Paris hotel room, the 13-minute film acts as a prologue to Anderson's 2007 feature "The Darjeeling Limited". It was shot on location in a Parisian hotel by a small crew and self-financed by Anderson, who initially intended it to be a stand-alone work. Its first showing was at the Venice Film Festival première of the feature film on September 2, 2007, and it made its own debut later that month at Apple Stores in four U.S. cities.
Document 11: 2014 Cannes Film Festival: The 67th Cannes Film Festival was held from 14 to 25 May 2014. New Zealand film director Jane Campion was the head of the jury for the main competition section. The Palme d'Or was awarded to the Turkish film "Winter Sleep" directed by Nuri Bilge Ceylan.
Document 12: The Monuments Men: The Monuments Men is a 2014 war film directed by George Clooney, and written and produced by Clooney and Grant Heslov. The film stars an ensemble cast including Clooney, Matt Damon, Bill Murray, John Goodman, Jean Dujardin, Bob Balaban, Hugh Bonneville, and Cate Blanchett. It is loosely based on the non-fiction book "The Monuments Men: Allied Heroes, Nazi Thieves and the Greatest Treasure Hunt in History" by Robert M. Edsel and Bret Witter. The film follows an Allied group from the Monuments, Fine Arts, and Archives program that is given the task of finding and saving pieces of art and other culturally important items before Nazis destroy or steal them, during World War II.
Document 13: 64th Berlin International Film Festival: The 64th annual Berlin International Film Festival was held from 6 to 16 February 2014. Wes Anderson's film "The Grand Budapest Hotel" opened the festival. British film director Ken Loach was presented with the Honorary Golden Bear. The Golden Bear was awarded to the Chinese film "Black Coal, Thin Ice" directed by Diao Yinan, which also served as closing film.
Document 14: Four Rooms: Four Rooms is a 1995 American anthology comedy film co-written and co-directed by Allison Anders, Alexandre Rockwell, Robert Rodriguez, and Quentin Tarantino, each directing a segment of it that in its entirety is loosely based on the adult short fiction writings of Roald Dahl, especially "Man from the South" which is the basis for the last one, "Penthouse - "The Man from Hollywood"" directed by Tarantino. The story is set in the fictional Hotel Mon Signor in Los Angeles on New Year's Eve. Tim Roth plays Ted, the bellhop and main character in the frame story, whose first night on the job consists of four very different encounters with various hotel guests.
Document 15: 67th Berlin International Film Festival: The 67th annual Berlin International Film Festival was held from 9 February to 18 February 2017 with Dutch filmmaker Paul Verhoeven as President of the Jury. "Django", directed by Etienne Comar, opened the festival. The Golden Bear was awarded to the Hungarian film "On Body and Soul" directed by Ildikó Enyedi, which also served as closing film of the festival.
ground_truth: Ralph Fiennes