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Mysteries of Laura is getting Lost.

EW has learned exclusively that Lost alums Harold Perrineau and Greg Grunberg have landed guest-starring roles on an upcoming episode of Debra Messing’s NBC series.

When a tragic accident involving a prominent sports doctor turns into a murder investigation, Laura (Messing) and team work together to track down the killer. Perrineau, who played constantly-screaming-Waaaaaaaaaaalt survivor Michael Dawson, will portray Charles Baptise, a tiger dad with Olympic-sized anger issues whose son is a former Olympic gymnast. Heroes alum Grunberg, who portrayed the pilot of the ill-fated Oceanic flight 815, will play Kurt Berhenson, an ex-husband fighting over custody of his son and a loyal member of a men’s rights group.

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The duo will be joined in the twelfth episode, “The Mystery of the Morning Jog,” by recurring stars Robert Klein, who plays Leo Diamond, Laura’s scrappy force-of-nature father, and Neal Bledsoe as Laura’s sexy chef boyfriend, Tony Abbott.

From now until our winter TV preview hits newsstands Jan. 15, EW is bringing you 25 scoops in 25 days. Follow the hashtag #25Scoops25Days on Twitter and Instagram to keep up with the latest, and check for all the news and surprises.

The Mysteries of Laura returns Wednesday at 8 p.m. ET on NBC.

The Mysteries of Laura
  • TV Show