Actor Taye Diggs is to star in a special two-hour episode of 'Grey's Anatomy', which could lead to a spin-off series from the hit medical drama.
The Hollywood Reporter says that the episode, described by the trade daily as a "back-door pilot", will air on US television in May and will focus on neonatal surgeon Addison Montgomery-Shepherd (Kate Walsh).
While there are no details on the character Diggs will play, it is understood the episode will feature Montgomery-Shepherd on the verge of leaving Seattle Grace Hospital, a storyline that would come into effect if the episode leads to a full spin-off series.
Diggs' screen credits include 'Rent', 'Chicago', 'Ally McBeal', 'The Way of the Gun' and 'Go'.
