A trio of horror pictures will represent Canada next month in Park City, where Splice, the torture pic 7 Days and the offbeat Tucker and Dale vs. Evil will play out of competition at Sundance.

The festival unveiled its latest selections on Thursday afternoon, putting the three in its Midnight program. The announcement brings the total of Canadian films at the 2010 festival to five, as Last Train Home and Grown Up Movie Star landed competition slots on Wednesday.

Vincenzo Natali’s long-awaited bio-horror Splice stars Adrien Brody and Sarah Polley. The Alberta-shot comedy Tucker and Dale vs. Evil comes from director Eli Craig.

7 Days (Les 7 jours du talion), by Montreal director Daniel ‘Podz’ Grou, follows a surgeon who captures the killer of his eight-year-old daughter and sets out to exact brutal revenge over the course of a week. It stars Claude Legault and Remy Girard and is based on the novel by Quebec horror writer Patrick Senécal. Alliance Vivafilm is the Canadian distributor while E1 Entertainment holds international rights.

Charlotte Mickie, EVP at E1 Entertainment International, will look to sell 7 Days at Sundance, where she believes the French-language film has a shot at the U.S. market.

‘It is incredibly well made with extraordinary cinematography and pacing,’ she says. E1 is handling four other films at Sundance including the U.K./Brazil copro Waste Land and The Shock Doctrine — the adaptation of the Naomi Klein book by British directors Michael Winterbottom and Mat Whitecross.

Shock Doctrine last month was picked as part of a short, eight-city film tour by Sundance, and will play as part of the festival’s new Next sidebar.

‘The reason [Doctrine] was chosen is because it’s the kind of film that generates discussion and debate, which [festival founder Robert] Redford thinks is an important component of what cinema can do for people,’ explains Mickie. The directors and Canuck author Klein will participate in a conversation with Redford following the screening.

Other high-profile selections at Sundance include John Wells’ drama The Company Men, with Ben Affleck and Tommy Lee Jones; Philip Seymour Hoffman’s directorial debut Jack Goes Boating; and Mexican actor-turned-director Diego Luna’s Abel. Sundance runs Jan 21-31.