Daly Set for Grey’s Anatomy Spinoff

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Tim Daly is set to guest star in the “enhanced” two-hour episode of ABC’s “Grey’s Anatomy,” designed to serve as a springboard for a potential spinoff from the hit medical drama.

Paul Adelstein also has been cast as a guest star in that episode with an eye to co-star on the potential spinoff series toplined by Kate Walsh, who plays Addison Montgomery-Shepherd.

The two join previously cast Taye Diggs. A casting breakdown also includes a female psychiatrist and a female fertility specialist.