John Hopewell Chief International Correspondent New films by Julio Medem, Alejandro Amenábar, Alberto Rodríguez, Isaki Lacuesta, Jonas Trueba and Oliver Laxe join a brace of smart thrillers in a rich Cannes lineup from Spain. “8,” (Julio Medem) Medem (“The Red Squirrel,” “Julia and Sex”) returns towhat he does best: a love story transcending time and space and a poetic critique of recent history, according to sales agent Latido Films. “Fariña’s” Javier Rey and “La Mesías” Ana Rujus star as the lovers.