NEW YORK, NY — Syfy's acclaimed series, "Stargate Universe" has cast famed actors, Robert Knepper ("Heroes," "Prison Break") and Julie McNiven ("Supernatural," "Mad Men") as guest stars in Season 2 of the hit series. Knepper joins the cast for a six-episode arc and will portray Simeon, a member of the Lucian Alliance. McNiven will also join the cast for a five-episode arc, portraying Ginn, a member of the Lucian Alliance. Season 2 of "Stargate Universe" premieres on Syfy fall 2010.

Production is underway in Vancouver, Canada. The second-half of "Stargate Universe's" first season premieres Friday, April 2, at 9 PM (ET/PT).



Edgier and younger in tone, "SGU" takes the franchise in a dynamic new direction, appealing to longtime Stargate fans and first-time viewers alike. The series stars Robert Carlyle, Louis Ferreira, Brian J. Smith, Elyse Levesque, David Blue, Alaina Huffman, Jamil Walker Smith, Ming-Na and Lou Diamond Phillips .

"SGU" follows a band of soldiers, scientists and civilians, who must fend for themselves as they are forced through a Stargate when their hidden base comes under attack. The desperate survivors emerge aboard an ancient ship, which is locked on an unknown course and unable to return to Earth. Faced with meeting the most basic needs of food, water and air, the group must unlock the secrets of the ship's Stargate to survive. The danger, adventure and hope they find on board the Destiny will reveal the heroes and villains among them

Robert Cooper and Brad Wright, of "Stargate SG-1" and "Stargate Atlantis," serve as executive producers and writers. SGU is produced and distributed by MGM Worldwide Television Distribution.