(ShareCast News) - Cruise and ferry service operator Carnival has declared a quarterly dividend of $0.35 per share and announced Helen Deeble will join the board of directors. Helen Deeble, chief executive of Carnival's P&O Ferries division and with over three decades of experience in retail, shipping, logistics and leisure travel, will serve in a non-executive capacity on the board.The quarterly dividend will be paid on 16 September, with an ex-dividend date of 24 August.