Splatter Horror films, sparking the latest trend of R-rated horror films during a time when PG-13 films were considered more lucrative.Quentin Tarantino loves him like a brother - they clearly have a lot in common. Best not to ask what that involves. But it sounds like a lot of fun. (Coincidently, he starred as Donnie "The Bear Jew" Donnawitz in Inglourious Basterds.)
- Cabin Fever
- 2001 Maniacs!
- Hostel and Hostel Part II
- Death Proof: The faux Thanksgiving trailer, also from Grindhouse.
- Inglourious Basterds: Acting as "The Bear Jew". Also directed the Film Within a Film Stolz Der Nation.
- Piranha 3D, the 2010 remake by fellow Splat Pack director Alexandre Aja
- The Man with the Iron Fists: Screenplay with The RZA, and a cameo role.
- Aftershock: Screenplay with Nicolas Lopez, and the Lead role.
- The Green Inferno
- Knock Knock
- Clown: Producer and played Frowny the Clown
- Death Wish (2018)
- The House With a Clock in Its Walls
- Afraid of Blood: Like a lot of gore-tastic directors.
- Developing Doomed Characters: A good 99% of Roth's protagonists.
- Motor Mouth: He never shuts up, ever. He admits this on one of the Hostel DVD Commentaries.
- Older Than They Look: Would you believe he's 42?
- Pigeonholed Director: He clearly admits that all he wants to make are horror movies.
- Tomato in the Mirror: While filming a documentary about sociopaths for the Science Channel, he allowed himself to be profiled by a specialist in Antisocial Personality Disorder. The profile revealed that Roth himself possesses many of the traits normally labeled sociopathic.
- Trope Breaker: Roth has long voiced his disapproval of the longstanding horror film trope that says that promiscuous characters always die (and die horribly) while the virgin character ends up the last (wo)man standing. As such, it's common to see in his films that the virgin girl/guy always dying and dying horribly while the manslut/slutty female character survives or at the very least, is the last one killed).