Who plays the primary antagonist in Kenneth Branagh's adaptation of Hamlet?
Hamlet (1996 film):  The film also features Derek Jacobi as King Claudius, Julie Christie as Queen Gertrude, Kate Winslet as Ophelia, Michael Maloney as Laertes, Richard Briers as Polonius, and Nicholas Farrell as Horatio. King Claudius: King Claudius is a fictional character and the primary antagonist of William Shakespeare's tragedy "Hamlet".
Derek Jacobi