Mariana RegoAlison Duncan Celine O'LearyDr. Iona Duncan Elspeth BallantyneLoopy Laura Edmund PeggeGordon Harris Rob GeorgeScreenplay / Producer Jill GreenExecutive Producer Rita ZanchettaProduction Design Malcolm LudgateUnderwater Director Of Photography David ForemanDirector Of Photography Anita SeilerCostume Designer Suzie Warhurst-SteeleMakeup & Hair Edward McQueen-MasonEditor Toivo LemberSound Recordist Livia RuzicSupervising Sound Editor Pete SmithSound Re-Recording Mixer Ben PaschkeVisual Effects David MarlowOriginal Concept Kate FawkesOriginal Concept 
