Four new actors have been announced for the show. The first is Julie Benz (Dexter, Angel), who will be playing Mayor Amanda Rosewater, a leader of a small mining town. Stephanie Leonidas (MirrorMask) is Irisa, an alien warrior who's adopted by the lead's character and raised as his bodyguard and daughter. Finally, Tony Curran (Gladiator, Blade II) and Jaime Murray (Warehouse 13, Dexter) are coming on as an alien husband-and-wife team fleeing the destruction of their home world.
[Source: Trion Worlds press release]