P.J. Boudousque, Ryan Robbins Join Syfy's 'Ascension' Cast

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The latest talent additions come as the six-hour event series, starring Tricia Helfer and Brandon P. Bell, starts shooting in Montreal.

KARLOVY VARY — P.J. Boudousque and Ryan Robbins have been added to the cast for Syfy's Ascension, which has started shooting in Montreal.

The duo join an Ascension cast led by the previously announced Brandon P. Bell, Brian Van Holt, Tricia Helfer, Tiffany Lonsdale and Jacqueline Byers.

Syfy's six-hour event series, to bow in November, comes from Lionsgate Television, Sea to Sky Studios and Blumhouse Productions.

The sci-fi series was written and created by executive producer and showrunner Philip Levens (Smallville).

Ascension follows a covert U.S. space mission launched in the 1960s that sent hundreds of men, women and children on a century-long voyage aboard the starship Ascension to populate a new world.

Halfway into their journey, as they approach the point of no return, the mysterious murder of a young woman causes the ship's inhabitants to question the true nature of their mission.

Ascension is executive produced by Jason Blum, Ivan Fecan, Tim Gamble and Brett Burlock and is co-financed and distributed by Universal Cable Productions and Lionsgate Television.