You never know who might stop by the HFPA lounge in Cannes. Today it was none other than ex-governor Arnold Schwarzenegger. The Terminator is in town to promote Wonders of the Sea 3D. Five years in the making, the latest undersea documentary from legendary producer and explorer Jean-Michel Cousteau (heir to the Jacques Cousteau dynasty of ocean filmmaker/adventurers) travels the seven seas in a quest for spreading awareness about the conservation crucial to avoid extinction of sea life. That, as Cousteau and Arnold told HFPA journalists would have dire consequences for humanity. Here’s what Arnold told us about the film and about the importance of the festival to cinema and to his own career.