- Films
- 13
- Avg rating
- 5.60
- Peak run
- 2010’19
Every film, by IMDb rating
The career
Dot size shows IMDb votes. Films with fewer than 1,000 votes sit on the baseline.
As an actor, films with 1,000+ votes
Sierra by the numbers
Average
5.60
10 rated films
Vote weighted
5.66
bigger films count more
Median
5.7
half are better
Consistency
±0.93
rating spread
Career
18y
2009 to 2026
Total votes
178K
across every film
Best
6.7
The Vast of Night
Worst
5.4
Land of the Lost
Newest first
Filmography
| 2026 | Last Chance Motel | Betty | · | 34 |
| 2025 | After All | Monica | 6.8 | 1,435 |
| 2025 |  Killing Mary Sue | Mary Sue Harper | 5.1 | 1,122 |
| 2023 | Camp | Lily | · | 339 |
| 2022 | Exploited | Chloe | 4.4 | 1,408 |
| 2021 | We Need to Do Something | Melissa | 4.5 | 4,369 |
| 2019 | All Good Things | Bailey | · | 283 |
| 2019 |  The Vast of Night | Fay Crocker | 6.7 | 51,379 |
| 2019 |  VFW | Lizard | 6.1 | 10,489 |
| 2018 | The Christmas Trap | Kara Gentry | 5.9 | 1,885 |
| 2015 | Some Kind of Hate | · | 4.6 | 2,979 |
| 2010 |  Ramona and Beezus | Susan | 6.5 | 21,367 |
| 2009 |  Land of the Lost | Tar Pits Kid | 5.4 | 81,041 |
Takes
On Sierra McCormick
Information courtesy of IMDb (https://www.imdb.com). Used with permission. Ratings and votes as of the latest nightly refresh.