Aaron Ashmore, Hannah John-Kamen, Luke Macfarlane Aaron Ashmore, Hannah John-Kamen, Luke Macfarlane

Syfy has assembled the main cast for its upcoming science-fiction drama Killjoys, a new series from the same production house as Orphan Black and the creator of Lost Girl. British stage actress Hannah John-KamenWarehouse 13's Aaron Ashmore, and Brothers and SistersLuke Macfarlane will suit up as a trio of fun-loving and hard-living bounty hunters who chase warrants in outer space. 

John-Kamen, best known for playing Viva in the West End production of Viva Forever, will play Dutch, who is gorgeous, good at earning people's trust, and has a deep, dark secret. 

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Ashmore, who's known among the sci-fi crowd for playing Jinks on Warehouse 13 and Jimmy Olsen on Smallville, will star as John Jaqobis. John would rather take the peaceful route, but he's got a smart mouth that gets him into trouble, so he knows how to scrap with the best of 'em.

Macfarlane will play D'avin, a rugged and handsome soldier whose place on the team is all about tactics and military knowledge. 

Killjoys has a 10-episode order and will begin production in Toronto on Aug. 5. No premiere date has been set.

What do you think of this casting? Would you watch Killjoys?

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