Question: Which of the stars in El Capitán Malacara was one of the best-known Latin American movie stars of the 1940s and 1950s?

Context paragraphs:
Pedro Armendáriz: Pedro Armendáriz, born Pedro Gregorio Armendáriz Hastings (May 9, 1912 – June 18, 1963), was a Mexican film actor who made films in both Mexico and the United States.  With Dolores del Río and María Félix, he was one of the best-known Latin American movie stars of the 1940s and 1950s.

El Capitán Malacara: El Capitán Malacara ("Captain Malacara") is a 1945 Mexican film directed by Carlos Orellana.  It stars Pedro Armendáriz and Manolita Saval.

John Tate Lanning: John Tate Lanning (born 1902, died 15 August 1976, Durham, North Carolina) was a historian of Spanish America and held the James B. Duke Professor Emeritus position at Duke University.  He was a major scholar of colonial Spanish American history and worked to strengthen organizations devoted to Latin American scholarship.  In one obituary he was called, “a true giant” in the field.  His work on the Spanish Enlightenment in Spanish America challenged received understandings of Spanish obscurantism.  In 1957, Lanning’s book "The Eighteenth-Century Enlightenment in the University of San Carlos de Guatemala" won the first Herbert E. Bolton Prize of the Conference on Latin American History for the best book in English.  He served as editor of the "The Hispanic American Historical Review" (HAHR), expanding its readership and maintaining high standards for each issue.  He served as chair of the Conference on Latin American History, the professional organization of Latin American historians, in 1958.

El capitán Camacho: El capitán Camacho is a Spanish-language drama television series created and developed by Juan Camilo Ferrand and produced by Estudios TeleMéxico and Fox Telecolombia.  It is based on the life of pilot, radio announcer and Mexican businessman .  The series premiered on March 22, 2015 on MundoFox.  It stars Humberto Zurita as Captain Carlos Camacho and José María de Tavira as Young Captain Carlos Camacho.

Arturo Mercado: Arturo Mercado Chacón (born September 7, 1940) is a notable Mexican voice actor.  He has dubbed many television and movie characters to Spanish for the Latin American movie and television market since 1963.  He is the father of Arturo Mercado Jr. and Carmen Mercado, both of whom are also voice actors.

El capitán aventurero: El capitán aventurero ("The Adventurer Captain") is a 1939 Mexican film.  It stars Carlos Orellana.

Chucho Valdés: Jesús Valdés Rodríguez, better known as Chucho Valdés (born October 9, 1941), is a Cuban pianist, bandleader, composer and arranger whose career spans over 50 years.  An original member of the Orquesta Cubana de Música Moderna, in 1973 he founded the group Irakere, one of Cuba's best-known Latin jazz bands.  Both his father, Bebo Valdés, and his son, Chuchito, are pianists as well.  He has won five Grammy Awards and three Latin Grammy Awards.

Katepano: The katepánō (Greek: κατεπάνω , lit. " [the one] placed at the top", or " the topmost") was a senior Byzantine military rank and office.  The word was Latinized as "capetanus/catepan", and its meaning seems to have merged with that of the Italian "capitaneus" (which derives from the Latin word "caput", meaning head).  This hybridized term gave rise to the English language term "captain" and its equivalents in other languages (Capitan, Kapitan, Kapitän, El Capitán, Il Capitano, Kapudan Pasha etc.)

Howard F. Cline: Howard F. Cline (June 12, 1915 – June 1, 1971, Washington DC) was an American government official and historian, specialising in Latin America.  Cline served as Director of the Hispanic Foundation at the Library of Congress from 1952 until his death in June 1971.  He was one of the founders of the Latin American Studies Association.  He was also active in the Conference on Latin American History (CLAH), the professional organization of Latin American historians, which he chaired in 1964.  He is still highly regarded as a scholar "devoted to and effective in the promotion of Latin American studies in the United States."

Latin American migration to the United Kingdom: Latin American migration to the United Kingdom dates back to the early 19th century.  However, up until the 1970s, when political and civil unrest became rife in many Latin American countries, the United Kingdom's Latin American community was not particularly large.  Latin Americans in the UK are now a rapidly growing group consisting of immigrants from Argentina, Bolivia, Brazil, Chile, Colombia, Costa Rica, Cuba, Dominican Republic, Ecuador, El Salvador, Guatemala, Honduras, Mexico, Nicaragua, Panama, Paraguay, Peru, Puerto Rico, Uruguay and Venezuela.  Large numbers of refugees and asylum seekers moved to the UK during the late 20th century, however, since the turn of the millennium, Latin Americans have been migrating to the UK for a wide range of reasons and at present the community consists of people from all walks of life.  The UK is also home to British-born people of Latin American ancestry, as well as some Hispanic and Latino Americans.  In recent years, Britain has also become one of the favorite European destinations for some of Spain's hundreds of thousands of Latin Americans who have acquired Spanish citizenship, seeking to escape their adopted country's prolonged economic crisis.

Supporting paragraphs: El Capitán Malacara Pedro Armendáriz
Answer: Pedro Armendáriz