'CSI' books 'Heroes' star Greg Grunberg | EW.com

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'CSI' books 'Heroes' star Greg Grunberg

Greg Grunberg

(Frazer Harrison/Getty Images)

Greg Grunberg has booked a guest-starring role on CSI, EW has learned exclusively.

The Heroes alum, who most-recently appeared on Showtime’s Masters of Sex, will play Len Bryant, a white-collar everyman battling addiction at a high-end rehab facility. Len is doggedly determined to finally get sober in the hopes of winning back his children.

CSI returns Sept. 28 at 10 p.m. ET on CBS. Grunberg’s episode is slated to air in early November.

Originally posted August 29 2014 — 1:54 PM EDT

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