MADRID — EXCLUSIVE: “The Orphanage” star Belen Rueda is attached to co-star in Patxi Amezcua’s “The 7th Floor,” one of the hottest Spanish-language projects being pre-sold at Toronto.Fox Intl. acquired rights to North America, Latin America and Spain to “The 7th Floor” at Cannes. In the latest major territory deals, Vicente Canales’ Film Factory has licensed Germany-speaking Europe to Ascot Elite and French-speaking Europe to Paris-based Initiative Cinema One. ICO will arrange a theatrical release in France via Bac Films, Canales said. One of Spain’s only actresses with strong marquee value in her domestic market, Rueda, who also toplined Guillem Morales’ “Julia’s Eyes,” will play opposite Ricardo Darin (“The Secret in Their Eyes”) in one of the most powerful thesping one-two punches in the Spanish-speaking world. Set in Buenos Aires and shooting there from November, the high concept thriller has Darin as a dad desperately searching for his children, who mysteriously disappear after they leave his ex’s apartment. Rueda plays the ex. Amezcua, who demonstrated his directing chops with debut “25 Carat,” wrote the screenplay with Alejo Flah, who co-penned Juan Jose Campanella’s TV series Vientos de agua.” “This is one of the best scripts I’ve read in last years. I was trapped and impressed since the beginning,” Canales said. “Also, it’s great to have wonderful actors like Ricardo Darin and Belen Rueda.” K & S and Cepa Audiovisual produce out of Argentina. “7th Floor” is the latest film from Spain’s Telecinco Cinema, El Toro Pictures and Ikiru, whose toon pic “Tad, the Lost Explorer” bowed Friday Spain to a standout first-three-day “$3.6 million,” just behind “Ice Age 4′s” $3.7 million trawl in Spain. Emiliano de Pablos contributed to this report.