host & co-writer, Josh Bernstein ; series producer, Brendan Goeckel ; directed, produced & written by Eric Hoffman ; produced by JWM Productions, LLC for the History Channel
writer, David Haig ; producers, Michael Casey, Douglas Rae ; director, Brian Kirk ; a co-production of Ingenious Broadcasting in association with Octagon Films with the participation of Bord Scannán na hÉireann/Irish Film Board ; in association with Granada International ; an Ecosse Films and WGBH/Boston production
Muse Entertainment Enterprises USA Inc. ; producer, Irene Litinsky, Guy J. Louthan ; written by Brad Bredeweg, Peter Paige, Michael Vickerman ; directed by David Von Ancken