Tennant's replacement will be unveiled in an edition of Doctor Who Confidential to be broadcast on BBC1 at 5.35pm on Saturday, 3 January, featuring an interview with the actor who is to be the 11th doctor in the long-running BBC1 sci fi drama, successfully revived by the corporation in 2005.The best-known name the Guardian claims could take over the role of The Doctor is busy movie actor Chiwetel Ejiofor, the soft-spoken, self-proclaimed “monster” of “Serenity.” Ejiofor’s other credits include “Love, Actually,” “Inside Man,” “Melinda and Melinda,” “Children of Men,” “American Gangster” and “Redbelt.” Find all of the Guardian’s story on the matter here.