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Will Richard Alpert (Nestor Carbonell) become a regular on Lost? And is he Locke’s father? — Doris
Matt: Though the cancelation of Cane certainly freed him up — and the Lost bosses have been clear about their big plans for the time-traveling, never-aging Mr. Alpert — “series regular” status still eludes Carbonell. Even so, a spy tells me we will see Richard very early in the new season… and often. As for your Locke’s Daddy theory, that was a new one to the few moles I ran it by.

Source: TV Guide