Isabella Thornton
Here’s everything you need to know about A Dangerous Boy (2024)—including its premiere date, where to stream it, full cast details, and a complete viewing guide to help you watch it online.
How can I watch A Dangerous Boy (Siggi – drengen, der blev FBI-spion) outside Australia on DocPlay
To watch A Dangerous Boy (Siggi – drengen, der blev FBI-spion) outside Australia, you’ll need to use a VPN service. Connect to a server where DocPlay is available (Australia or New Zealand), and you can stream the documentary without any issues.
A Dangerous Boy (Siggi – drengen, der blev FBI-spion) Synopsis
A Dangerous Boy tells the real-life story of Sigurdur Thordarson, a boy genius from Iceland who began hacking at age 12. By 14, he uncovered banking corruption that shook his country. Known globally as the teenage whistleblower, he later joined WikiLeaks, gaining the mentorship of Julian Assange. However, their alliance didn’t last—Siggi would go on to collaborate with the FBI, shifting from hacker to informant. The documentary navigates the intricate world of cyber espionage, secrecy, and betrayal. It also examines the emotional and psychological toll of being a child caught in an adult game. Through interviews, archival footage, and gripping narration, viewers are drawn into a world of blurred morality.
Who is Sigurdur Thordarson (Siggi)
Sigurdur Thordarson, known informally as Siggi, was a teenage hacker in Reykjavík who leaked documents exposing the 2008 Icelandic banking collapse. In 2010 he joined WikiLeaks and became part of Julian Assange’s inner circle before later handing over internal documents to the FBI in exchange for immunity. Alongside whistleblower fame, Thordarson faced multiple convictions including financial fraud and sexual offences, making him a deeply controversial figure through which the film examines loyalty, credibility, and legal fallout.
When and where did A Dangerous Boy premiere?
The film had its world premiere at CPH DOX, Copenhagen’s international documentary festival, in March 2024, making headlines as part of the festival’s opening lineup. It was later showcased at festivals such as One World Prague, drawing interest from critics and audiences across Europe.
A Dangerous Boy Cast
- Sigurdur Thordarson – Appears as himself, recounting his own life story with unfiltered honesty and emotional depth. His reflections provide the backbone of the documentary.
- Ole Bendtzen – Director and writer of the film. Bendtzen’s lens captures both the geopolitical weight of Siggi’s actions and the vulnerability of a young boy.
- Lars K. Andersen – Co-writer, helping shape the structure of Siggi’s narrative into a compelling cinematic experience.
Where to watch A Dangerous Boy (Siggi – drengen, der blev FBI-spion)?
From August 2025, A Dangerous Boy is available as a DocPlay exclusive in Australia and New Zealand, where it streams on demand. DocPlay added the title as the marquee entry in its Scandinavia‑focus lineup, meaning it’s not legally available in other regions unless your service has licensed it.
Is there a free way to watch A Dangerous Boy?
Yes, DocPlay offers a 14-day free trial, which you can use to stream A Dangerous Boy in Australia and New Zealand.
Who directed and produced A Dangerous Boy
Directed by Ole Bendtzen, the film was produced by Søren Steen Jespersen under Pipeline Production in co‑production with DR (Denmark), Stöð 2 (Iceland), and VPRO (Netherlands). Bendtzen also oversaw cinematography alongside a team that captured intimate interview settings and archival visuals that support the film’s sober tone.
A Dangerous Boy Trailer
A Dangerous Boy FAQ
- Is A Dangerous Boy a series or a movie?
A Dangerous Boy is a standalone documentary film with a runtime of 1 hour and 30 minutes. It is not part of a series. - What languages does it feature and are subtitles offered
The documentary includes dialogue in English, Icelandic, and Danish, reflecting the multilingual context of Siggi’s life and collaborations. Wherever it is shown, the film generally includes English subtitles to serve international audiences, especially in documentary festivals and streaming formats. - Was it screened at other festivals too
Yes. After its debut at CPH DOX, A Dangerous Boy was selected for screening at One World Prague and other human rights‑focused festivals. Its exposure at multiple European festivals helped it gain momentum long before its streaming debut.
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