VIKINGS: VALHALLA, the explosive, all-new exploration of the spectacularly epic Vikings saga debuting only on Netflix, announces its cast, including Sam Corlett, Frida Gustavsson, Leo Suter, Bradley Freegard, Jóhannes Jóhannesson, Laura Berlin, David Oakes and Caroline Henderson. Pollyanna McIntosh and Asbjørn Krogh Nissen, among others, are recurring. …