Desmond David Hume is a fictional character on the ABC television series Lost portrayed by Henry Ian Cusick. Desmond's name is a tribute to David Hume, the famous empiricist philosopher. Desmond was not a passenger of Flight 815. He had been stranded on the island three years prior to the crash as the result of a shipwreck. Desmond eventually leaves the Island with the Oceanic 6 and is reunited with his love Penny Widmore (Sonya Walger).