James Callis (BATTLESTAR GALACTICA) is coming to SyFy's EUREKA, according to THE HOLLYWOOD REPORTER. He will play Dr. Grant, a past resident of Eureka who comes back and causes a storm with the citizens. His presence will create sexual tension between himself, Allison Blake (Salli Richardson-Whitfield) and Sheriff Jack Carter (Colin Ferguson). Filming will start in the fourth season this week in Vancouver.