Greg Grunberg

TV vet Greg Grunberg has landed a guest-starring role on CSI, Entertainment Weekly reports.

The Heroes and Alias alum will play Len Bryant, a white-collar everyman fighting addiction at a high-end rehab facility. He is determined to get sober in order to win back his children. Grunberg's episode will air in early November.

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The actor is also known for his roles on Felicity and, most recently, Masters of Sex.

CSI returns Sunday, Sept. 28 at 10/9c on CBS.

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