A corrupt senator arranges for the murder of his biggest liability, his erratic burnout stepdaughter, only for her to unwittingly discover her natural talent as an untouchable killer.
Killing Mary Sue (2025) is a action, comedy and thriller film directed by James Sunshine, released on June 13, 2025 with a runtime of 1h 38m. It stars Sierra McCormick, Dermot Mulroney, Sean Patrick Flanery and Jason Mewes. Viewers rate it 6.0 out of 10 across 20 ratings.
Watch the official trailer for Killing Mary Sue before you stream it.
Sierra McCormick
as Mary Sue
Dermot Mulroney
as Bradley Weiner
Sean Patrick Flanery
as Cable Henry
Jason Mewes
as Ed Harper
Martin Kove
as Knox
Kym Whitley
as Anita Koch
French Stewart
as Vladyslav Volkov
Jake Busey
as Wes Adamle
Jesse Kove
as Chet Steiner
Katie Killacky
as Janine Weiner
Rita Rehn
as Carrie / Svetlana
Maddie Hogan
as Paige
Directed by James Sunshine, written by James Sunshine, produced by Larry Layfield, Jonathan Sachar and Patrick Durham.
Average viewer score of 6.0/10 from 20 ratings.
Dull, but in a pretty suit If you are making a movie about a Mary Sue you have to be careful. Because Mary Sues are incredibly boring characters. This movie does make it a bit interesting, with some characters that you could possibly get invested in, but the overall tone is not getting to that point, and it all sort of flounders. The introductions of the bad guys are comical, and that sort of schlock does not fit…
Reviewed on June 1, 2026
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Killing Mary Sue (2025) is available to stream on Amazon Prime Video and Amazon Prime Video with Ads, and to rent or buy from Amazon Video, Apple TV Store, Google Play Movies, YouTube and Fandango At Home. Streaming availability is checked against JustWatch data and can change by region.
The main cast of Killing Mary Sue (2025) includes Sierra McCormick, Dermot Mulroney, Sean Patrick Flanery, Jason Mewes and Martin Kove. The film was directed by James Sunshine. You can see the full cast and crew list, with character names, further up this page.
Killing Mary Sue was released on June 13, 2025 and runs for 1h 38m.
Killing Mary Sue (2025) holds an average rating of 6.0 out of 10 from 20 viewer votes, and is a good pick if you enjoy action, comedy and thriller films. Read the viewer reviews on this page to decide for yourself.
Yes. The official Killing Mary Sue trailer is embedded in the trailer section of this page and plays instantly, no download or sign-up required.
