 Filming finished in the first two weeks of August 2007 : the closing scene was filmed in Cardiff Docks on 1 August ; Hardaker 's death was filmed at Upper Boat on 2 August ; scenes in the ship 's kitchen was filmed on 3 August ; and scenes on the bridge were filmed on 6 — 8 August . The last day of filming was on 21 August 2007 ; cameo scenes by BBC reporters Jason Mohammad and Nicholas Witchell were filmed at BBC 's broadcasting houses in Llandaff and London . 
