Here are some best movies that I love to watch again and again in the thriller genre.
Knives Out (2019)
The Girl With the Dragon Tattoo (2011)
Before I Go to Sleep (2014)
The Girl on the Train (2016)
The Invitation (2015)
Arrival (2016)
Now You See Me (2013)
Primal Fear (1996)
Prisoners (2013)
Flightplan (2005)
Gone Girl (2014)
Minority Report (2002)
Mulholland Drive (2001)
Annihilation (2018)
The One I Love (2014)
The Lovebirds (2020)
Sherlock Holmes (2009)
Shutter Island (2010)
Taking Lives (2004)

That's it, I have more movies but these are at the top of my watch list.
There is one secret I have and it is that I used to watch all these movies for free any time and anywhere. I always watch all these movies on the Watchseries site.
But there is one problem as well, from the last few weeks I am unable to find this site to watch the movies. After that, I read the news of this site in which it is clearly mentioned that this site is banned and I have no other option to watch movies except finding the best WatchSeries Alternatives to watch movies online for free and I found some best on thetechvin site.
You can also review them to watch all these movies for free.