Alyssa Emily Marvin is a talented New York-based actress who has rapidly risen in the world of Broadway theater. Known for her captivating performances, Alyssa gained widespread recognition for her roles in Appropriate and Grey House, appearing in both during a single Broadway season—an extraordinary achievement for a young performer. Her portrayal of Cassidy in Appropriate earned rave reviews, with Variety and The Hollywood Reporter calling her performance “incredible” and “superb.” Alyssa began acting at the age of six and has toured internationally with productions like Annie and School of Rock. She’s also starred in Trevor: The Musical on Disney+, showcasing her versatility in both stage and screen acting.
Alyssa Marvin’s Age and Early Start in Theater
Many people ask: How old is Alyssa Emily Marvin? Though her exact date of birth hasn’t been publicly confirmed, Alyssa was just six years old when she made her professional debut in Number the Stars at New York’s Davenport Theatre. Based on her career timeline, Alyssa is believed to be in her early teens as of 2025.
Breakthrough Roles: Appropriate and Grey House
Alyssa played Cassidy in Appropriate, the 2024 Tony Award-winning revival, where her portrayal of a bold, emotionally complex teenager drew praise for its nuance. Variety highlighted her “incredible performance,” while TheaterMania admired her portrayal of “wild swings between overconfidence and anxiety.”
In Grey House, Alyssa debuted on Broadway as A1656, a mysterious child in a psychological thriller directed by Joe Mantello. Entertainment Weekly praised her as “impossible not to love,” while Deadline called her performance the emotional core of the production.
From Off-Broadway to International Tours
Before Broadway fame, Alyssa traveled across 45+ cities in the U.S. and Canada with the First National Tour of School of Rock and even performed in Southeast Asia with the International Tour of Annie, directed by Martin Charnin. She also originated the role of Edie in Edie Saves the Birds in New York.
Alyssa Emily Marvin On Screen: Disney+, TV, and Commercials
Alyssa appears as Cathy in Trevor: The Musical on Disney+, a filmed Broadway show based on the Academy Award-winning short film. Her television credits include A Crime to Remember, Mysteries at the Museum, and I Am Homicide. She has also worked in commercials for brands like Microsoft, BarkBox, and AKC Pet Insurance—sometimes alongside her own dog
Fun Facts: Dancing, Reading, and Space Camp
Alyssa isn’t just a performer—she’s a dedicated dancer (jazz, ballet, hip hop, and tap), a fantasy book lover, and an aspiring astronomer. She has even attended the United States Space Camp and Academy, showing a curiosity and passion for the cosmos.
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FAQs
How old is Alyssa Emily Marvin?
She is 15 years old (as of early 2024).
What Broadway shows has Alyssa Marvin been in?
She has appeared in two Broadway plays: Grey House (as A1656) and Appropriate (as Cassidy).
Who did Alyssa Emily Marvin play in Appropriate?
She portrayed Cassidy, the precocious teenage daughter of Bo and Rachael, in Appropriate.
Is Alyssa Emily Marvin in Trevor: The Musical?
Yes — she originated the role of Cathy in Trevor: The Musical, which was performed off‑Broadway and filmed for Disney+.
What is Alyssa Marvin’s nationality or background?
She is an American actress, based in New York City, with extensive experience in theatre tours and Broadway.
Where is Alyssa Emily Marvin from?
Alyssa is New York-based, and grew up in the New York City area (notably Scarsdale), where she attended local schools alongside her early acting career.
