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Traditionally a sneak peek at next year's awards season, the 2015 London Film Festival begins on 7 October, and we've rounded up the films, shorts and documentaries exploring technology and other geeky pursuits.

Steve Jobs, cyberstalking, Evel Knievel and Star Wars are just some of the subjects of films in LFF 2015.

To kick off our gallery, stars from a galaxy far, far away discuss how their lives changed when they appeared in even the tiniest "Star Wars" roles in the documentary "Elstree 1976", named after the London film studio where the first movie was shot.

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Aaron Sorkin writes, Danny Boyle directs and Michael Fassbender plays the title role in "Steve Jobs".

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Horror tale "Ratter" is seen through the lenses of the gadgets in a girl's room as she's cyberstalked.

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"Tangerine" is a slice-of-life drama shot entirely on iPhones.

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Filmed in 'Tondoscope' -- a circular frame in the centre of the screen -- the beguiling "Lucifer" sees the devil come to a small village.

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Short film "Otherwise Engaged" is about a couple obsessed with social media.

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Robert Redford stars as veteran US newsman Dan Rather in "Truth", alongside Cate Blanchett.

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Ben Foster plays disgraced cyclist Lance Armstrong in "The Program".

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"Black Mass" stars Johnny Depp as notorious Boston criminal Whitey Bulger.

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Jason Segal (left) plays the late author David Foster Wallace, appearing alongside Jesse Eisenberg (right) in "The End of the Tour".

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"Being Evel" is a documentary about legendary stuntman Robert Craig 'Evel' Knievel.

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"Steve McQueen: The Man and Le Mans" examines the king of cool's love of racing.

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Documentary "Live from New York!" takes us behind the scenes of "Saturday Night Live".

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"High-Rise", directed by British director Ben Wheatley from a JG Ballard novel, stars Tom Hiddleston.

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Life is reduced to a brutal basics in the Northern Ireland-set "The Survivalist".

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Ludovico Girardello is "The Invisible Boy" in this Italian coming-of-age story.

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"Black Code/Code Noir" uses videos recorded on mobile phones and uploaded to YouTube to explore the lives of African Americans throughout history.

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"The American Sessions" sees musical luminaries such as Elton John, Nas and Willie Nelson record using a recreated Western Electric lathe, the pulley-operated analogue device that pioneered recorded music.

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"Let’s Dance: Bowie Down Under" tells the story behind the video for the thin white duke's 1983 hit, filmed in Australia.

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Short "Groove is in the Heart" is an ode to the humble mixtape.

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Expect weirdness from Guy Maddin's delirious "The Forbidden Room".

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In 1985, ace detective "Kung Fury" goes back in time to kill Adolf Hitler in a glorious homage to VHS-era action films.

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Hou Hsiao-Hsien directs sumptuous martial arts tale "The Assassin".

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People train for the end in "Parabellum".

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Stylish Japanese director Sion Sono brings us talking turtles and punk rock in "Love and Peace".

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Documentary "Hot Sugar’s Cold World" follows musician Nick Koenig as he shares his musical techniques and hangs out with friends including physicist Neil deGrasse Tyson.

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Jack Black (left) does the monster mash in a big-screen adaptation of the popular "Goosebumps" series of books.

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"C.T.R.L" sees a young man's first love thwarted by an app.

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Award-winning short "Rate Me" builds a portrait of a sex worker, played by Zehra Zorba, through online comments.

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Kids are pitched against deranged adults in "Don't Grow Up".

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OK, this one doesn't have anything to do with technology or geeky stuff. But it's called "Bone Tomahawk" and it's got Kurt Russell's mighty moustache in it, and that's good enough for us.

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Mexican thriller "A Monster with a Thousand Heads" tackles the cost of a corrupt healthcare system.

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Animated short "The Martian" -- not to be confused with the new Matt Damon film of the same name.

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