James Callis James Callis

Battlestar Galactica star James Callis is sticking with Syfy.

The actor has been cast as a new regular in the network's most popular original series, Eureka.

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In the dramedy, the 38-year-old Callis will play Dr. Grant, an ex-resident of Eureka who returns unexpectedly and causes a stir between his romantic interest with Allison Blake (Salli Richardson-Whitfield) and his friction with Sheriff Jack Carter (Colin Ferguson).

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The 20-episode order, which will be shot in and around Vancouver, is slated to begin July 9.

Callis recently starred as the self-serving, conniving genius Gaius Baltar on Battlestar.