written and directed by Werner Herzog ; Saville Productions in association with Netscout, Pereira & O'Dell Entertainment, Skellig Rock ; produced by Rupert Maconick, Werner Herzog
British Film Institute and Film4 present ; in association with Rooks Nest Entertainment and with the participation of Bord Scannán na hÉireann/The Irish Film Board ; a P Guide production in association with Blinder Films ; a film by Sophie Fiennes ; executive producers, Katherine Butler, Tabitha Jackson, Shani Hinton ; executive producers, Michael Sackler, Julia Godzinskaya ; producers, James Wilson, Martin Rosenbaum, Katie Holly, Sophie Fiennes ; directed by Sophie Fiennes