The film, for which Bergen was the executive producer, was in the Sundance Film 2013 competition.
Sundance president Robert Redford said the inaugural festival had been "warmly welcomed... by adventurous audiences".
And just like Sundance in the US, Berlin is the place to launch European indie movies.
Also premiering at Sundance is Sebastian Junger's Which Way Is the Front Line from Here?
Before Sundance, Sony Pictures Classics made an offer for the film's U.S. distribution rights sight-unseen.
Sundance's Calderon says that many films at this year's festival were made with Final Cut.
We're mid-way through this year's Sundance Film Festival set in the mountains of Park City, Utah.
The group was visiting Sundance's iron ore project in Cameroon and Congo, the company said.
But they force us to take We and IFC and Sundance, which nobody wants to watch.
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SUNDANCE, Utah (CNN) -- Today the American people are way out in front of our leaders.
It won the Grand Jury documentary prize at the Sundance Film Festival this year.
Rainbow Media owns the cable networks AMC, WE, IFC, Sundance Channel, Wedding Central and IFC Entertainment.
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Because I want to be at Sundance for 10 days and I am not in film.
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Deep noted that Sundance, the Utah resort Redford helped found, uses some renewable energy.
"There wouldn't even be independent cinema now in the US without Sundance existing, " he says.
The Foo Fighters frontman will perform with special guests from his Sundance documentary Sound City.
No fewer than 3, 812 full-length movies were submitted to the 2011 Sundance film festival.
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In this Sundance-style independent movie, she plays an overburdened single mother living in Albuquerque.
Century Lake also served as the location for a famous cliff-jumping scene in Butch Cassidy and the Sundance Kid.
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For the past few years though, Sundance has been at the center of an industry in trouble.
Running between 25-28 April, the second event will feature titles seen at January's Sundance festival in Utah.
Instead, there will be Dateline-style reports about the VEVO tent streaming the Super Bowl at Sundance.
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But Africa-focused miner Sundance Resources plummeted 45 percent as it came out of a three-week trading halt.
"If you have an independent film, you want to bring it to Sundance, " explains actor Daniel Radcliffe.
Mr. Delgado's next challenge is producing a Narino-based documentary targeted for presentation at the 2011 Sundance festival.
Sundance London will return to The O2 in Greenwich next April, with a third festival confirmed for 2014.
"We're looking for a younger suburban Sundance-type crowd, " Mr. Dinerstein said, although he wouldn't disclose the marketing budget.
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At total of 42 such films were sold during Sundance last year, one of the most on record.
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He plays Hugh Hefner in the forthcoming film Lovelace, which premiered at the Sundance Film Festival in January.
"It's perfect for Sundance, it's cold, " said a publicist serving a new chocolate variety, which tasted surprisingly good.
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