Synopsis
A former British spy stumbles into in a plot to overthrow Communism with the help of a supercomputer. But who is working for whom?
Movie Information
- Director
- Ken Russell
- Writers
- John McGrath
- Release Year
- 1967
- Runtime
- 111 minutes
- Genre
- Thriller
- Language
- EN
- Country
- United Kingdom
- Status
- Released
- Rating
- 5.7 / 10 (126 votes)
Top Cast
Michael Caine
Harry Palmer
Karl Malden
Leo Newbigen
Ed Begley
General Midwinter
Oskar Homolka
General Stok
Françoise Dorléac
Anya
Guy Doleman
Colonel Ross
Vladek Sheybal
Dr. Eiwort
Milo Sperber
Basil
Official Trailer
Ready to watch Billion Dollar Brain?
Pick a streaming source and press play — free, HD, no signup.
▶ Watch Billion Dollar Brain FreeSimilar Movies
You May Also Like
WarGames
1983 ★ 7.1
Colossus: The Forbin Project
1970 ★ 7.0
Transcendence
2014 ★ 6.1
The Courier
2020 ★ 7.0
The Amateur
2025 ★ 6.9
Funeral in Berlin
1966 ★ 6.4
Paycheck
2003 ★ 6.2
Jason Bourne
2016 ★ 6.4
Chief of Station
2024 ★ 6.3
The Final Cut
2004 ★ 6.1
I Am Mother
2019 ★ 6.7
The Sum of All Fears
2002 ★ 6.4
RoboCop
2014 ★ 5.9
The Thirteenth Floor
1999 ★ 7.1
More Thriller Movies
Obsession
2026 ★ 8.2
Facing El Chapo
2026 ★ 8.8
The Whisper Man
2026 ★ 6.8
Disclosure Day
2026 ★ 7.5
War of the Worlds
2025 ★ 4.0
Deep Water
2026 ★ 7.1
The Shadow's Edge
2025 ★ 8.2
The End of Oak Street
2026 ★ 6.4
The Dark Knight
2008 ★ 8.5
The Last House
2026 ★ 6.9
Captain America: Brave New World
2025 ★ 6.0
Shelter
2026 ★ 7.8
Kraken
2026 ★ 6.3
The Furious
2026 ★ 8.2
More with Michael Caine
Interstellar
2014 ★ 8.5
Inception
2010 ★ 8.4
The Dark Knight Rises
2012 ★ 7.8
Cars 2
2011 ★ 6.2
Dunkirk
2017 ★ 7.5
Batman Begins
2005 ★ 7.7
The Prestige
2006 ★ 8.2
Kingsman: The Secret Service
2015 ★ 7.6
Tenet
2020 ★ 7.2
Now You See Me
2013 ★ 7.3
Now You See Me 2
2016 ★ 6.8
Children of Men
2006 ★ 7.6
Journey 2: The Mysterious Island
2012 ★ 6.1
Gnomeo & Juliet
2011 ★ 5.9
More from Ken Russell
Trending Now
Mayday
2026 ★ 7.7
The Runner
2026 ★ 6.5
The Odyssey
2026 ★ 8.0
Coyote vs. Acme
2026 ★ 7.6
Spider-Man: Brand New Day
2026 ★ 7.9
Backrooms
2026 ★ 7.1
Toy Story 5
2026 ★ 8.3
Mutiny
2026 ★ 6.4
Just Play Dead
2026 ★ 6.6
Supergirl
2026 ★ 6.7
Buddy
2026 ★ 8.3
Minions & Monsters
2026 ★ 7.6
Project Hail Mary
2026 ★ 8.6
LEGO Star Wars: The Mandalorian
2026 ★ 7.3
Popular This Week
Explore related titles
Frequently Asked Questions
Where can I watch Billion Dollar Brain online for free?
You can watch Billion Dollar Brain (1967) online for free in HD on FreeFlix. No signup or subscription is required — just open this page and click play.
Is Billion Dollar Brain available in HD?
Yes. FreeFlix offers Billion Dollar Brain in full HD with multiple mirror sources, so if one source is slow you can switch in one click.
What is Billion Dollar Brain about?
A former British spy stumbles into in a plot to overthrow Communism with the help of a supercomputer. But who is working for whom?
Do I need to register or pay?
No. FreeFlix is completely free, with no registration, account, credit card, or hidden charges.