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Person
Mariah Rose Faith Casillas
Actor· San Diego, California
Mariah Rose Faith is a trained actress, singer, songwriter, and filmmaker who has found success in musical theater and film. She first gained public attention on YouTube for her musical theater song covers. Faith is known for her roles as Regina George in the first national tour of Mean Girls and her work with the comedy theater group Team Starkid. She has trained with acting and vocal coaches in Los Angeles and collaborated with award-winning creatives.
Filmography
11 credits across 1 departments.
| Year | Title | Role | Type |
|---|---|---|---|
| 2026 | The Guy Who Didn't Like Musicals (2025 Remount) | Melissa/Zoey/Alice | Film |
| 2026 | The Guy Who Didn't Like Musicals: Reprised! | Melissa / Zoey / Alice / Greenpeace Girl | Film |
| 2023 | Nerdy Prudes Must Die | Stephanie Lauter/Caitlyn | Film |
| 2023 | Nerdy Prudes Must Die | Stephanie Lauter | Film |
| 2021 | Nightmare Time: Honey Queen | Zoey Chambers | Film |
| 2021 | Nightmare Time: Perky's Buds & Abstinence Camp | Steph Lauter | Film |
| 2021 | Nightmare Time: Daddy & Killer Track | Alice Woodward / Woman | Film |
| 2021 | Nightmare Time: Yellow Jacket | Webby / Steph Lauter / Woman | Film |
| 2020 | Nightmare Time: The Hatchetfield Ape-Man & Watcher World | Alice Woodward | Film |
| 2020 | Nightmare Time: Jane's A Car & The Witch in the Web | Harmony Jones / Doug / Webby / Aerobics Coach / Casey | Film |
| 2018 | The Guy Who Didn't Like Musicals | Alice / Zoey | Film |
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