4. Joe (April 11)

Director: David Gordon Green
Cast: Nicolas Cage, Tye Sheridan, Ronie Gene Blevins, Gary Poulter
Distributor: Lionsgate
Current Criticwire average: B+ (see all grades)

Why Is It a "Must See"? A dozen years ago, Nicolas Cage was still considered a serious actor and David Gordon Green was considered a promising new filmmaker. A few years later, both of their reputations shifted dramatically: Cage became the butt of countless jokes about his overacting in subpar genre efforts and Green took a curious detour into largely derided studio comedies. Green started crawling back to the understated narrative style that put him on the map with his strange twist on the buddy movie formula "Prince Avalanche" earlier this year, while Cage hasn't done much worth talking about since 2009's "Bad Lieutenant: Port of Call New Orleans." But both men finally get the chance to hit their sweet spots with the moody Southern gothic drama "Joe," the very definition of a return to form. Read Indiewire's full review here.

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5. Blue Ruin (April 25)

Director: Jeremy Saulnier
Cast: Macon Blair, Devin Ratray, Amy Hargreaves, Kevin Kolack, Eve Plumb, David Thompson, David W. Thompson, Brent Werzner, Stacy Rock, Sidné Anderson
Distributor: RADiUS-TWC
Current Criticwire average: A- (see all grades)

Why Is It a "Must See"?  The quiet life of a beach bum is upended by dreadful news. He sets off for his childhood home to carry out an act of vengeance but proves an inept assassin and finds himself in a brutal fight to protect his estranged family. This is "Blue Ruin," which has been winning over film festival audiences left and right since it debuted at Cannes last Spring, and almost a year later will surely do the same in US theaters. A tense and unexpected film from up and coming filmmaker Jeremy Saulnier, it is most surely a film you should go see this April...

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6. The Unknown Known  (April 4)

Director: Errol Morris
Distributor: RADiUS-TWC
Current Criticwire average:  B+ (see all grades)

Why Is It a "Must See"? There's no doubting Morris' presence in "The Unknown Known," both as the aggressive interrogator behind the lens and through the darkly witty aura of mystery he uses to enshroud Rumsfeld's testimonies. Aided by a typically first-rate score by Danny Elfman, the documentary creates an ominous atmosphere to frame Rumsfeld's unsurprisingly disingenuous and frequently digressive anecdotes as the aging government official recounts his final days in the Bush Administration with a mixture of pragmatism and naïveté. Read Indiewire's full review here.

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7.  Locke (April 25)

Director: Steven Knight
Cast: Tom Hardy, Ruth Wilson, Andrew Scott, Olivia Colman, Tom Holland, Ben Daniels, Bill Milner, Alice Lowe, Danny Webb, Lee Ross, Silas Carson, Kirsty Dillon
Distributor: A24
Current Criticwire average:  B+ (see all grades)

Why Is It a "Must See"? You'll want to see "Locke," opening in limited release in the U.S. on April 25th, because it stars Tom Hardy as a guy who spends the whole movie in his car rushing someplace important we aren’t immediately made privy to, and dealing with a whole lot of consequences via numerous phone conversations. It’s from British writer-director Stephen Knight (he wrote "Eastern Promises" and "Dirty Pretty Things"), and it is unexpectedly riveting, thanks to an intense performance from Hardy that will come as no surprise to those who’ve seen him in far bigger films.

Watch the trailer below: