And now for the latest entry in what is quickly becoming an ongoing series: The Cast of Tenet Does Not Know What Tenet Is About. Today's story comes to you from a conversation with Kenneth Branagh, who told Total Film [via Syfy] that sometimes you may think he's playing the antagonist, other times you may not, and it all kind of depends on what direction Christopher Nolan's script is heading in that particular moment. Yeah, here's exactly what the actor said: [caption id="attachment_863684" align="alignright" width="360"] Image via Warner Bros.[/caption] "Given the nature …