Antonio Banderas won Best Actor in Cannes for Pain & Glory and dedicated his win to Pedro Almodovar. They have made eight films together. The Spanish heartthrob, now 58, has been re-invigorated following a heart attack two years ago. It came naturally to work with his old friend. Almodovar, 69, has famously had health issues and Banderas essentially plays him (as the troubled, drug-taking movie director Salvador Mallo) in this semi-autobiographical film. “I respect and admire him. I love him, he’s my mentor,” Banderas said in his speech. “People think we live in a red carpet, …