Runar Lia (Himself - Norwegian Industrial Worker Museum), Eric Grove (Self - Naval Historian), Fredrik Soreide (Self - Norwegian University of Science and Technology), Jann Witt (Self - Historian, German Naval Association), David Mearns (Self - Shipwreck Hunter - Blue Water Recoveries), Andrzej Slaby (Self - Hydrographer, LOTUS Petrobaltic S.A.), Stephen Burke (Self - Co-Author 'Freedom of the Seas'), Adam Olejnik (Self - Polish Naval Academy, Co-Author 'Freedom of the Seas'), Innes McCartney (Self - Maritime Archaeologist, Bournemouth University), Winston Churchill (Himself)