Digital Spy reports that Joan Collins may be playing the part of the Rani in season 4. Originally portrayed by Kate O'Mara in 1985's "Mark of the Rani" opposite Colin Baker and in Sylvester McCoy's debut story "Time and the Rani" in 1987, the Rani is another enemy Time-Lord (Lady) that may have escaped the destruction of Gallifrey.

This report of Joan Collins playing the part of the Rani, and also the return of the Rani in general have not been confirmed by the BBC.

For the full Digital Spy article click here.