James Dominic Frain (born 14 March 1968) is an English stage and screen actor. His best known roles include those of Thomas Cromwell in the TV series The Tudors (2007–09), vampire Franklin Mott in season three of the HBO drama True Blood, and Richard Neville, 16th Earl of Warwick, in the BBC drama serial The White Queen (2013).

Frain played leading roles in the BBC dramas Armadillo (2001), The Buccaneers (1995) and The Mill on the Floss (1997) and the films Hilary and Jackie (1998) and Elizabeth (1998). He also appeared as Chief Magistrate Gérard de Villefort in The Count of Monte Cristo and Bassianus in Titus. In season 2 of Grimm, Frain joined the cast as a mysterious recurring character named Eric Renard.

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