US TV
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TV Guide reports that the actor will appear in one episode of the Syfy show.
He is expected to play Dr Ramsey, the creator of a technology which could engulf the town of Eureka in flames.
Wil Wheaton has also agreed to guest star in the show alongside James Callis, Jaime Ray Newman and Matt Frewer.
Eureka returns for its fourth season on Friday July, 9.
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