Aidan Breen Amster (she/her) is a New York -based actor from San Francisco, California.

She graduated summa cum laude from Middlebury College with a B.A. in Theatre and English, and as a member of the Phi Beta Kappa Society.

She made her Off-Broadway debut as a member of the Dogteam Theatre Project’s inaugural season at The Atlantic Stage 2, performing in “A Hundred Circling Camps” written by Sam Collier and directed by Rebecca Wear.  Recently, she was a part of Project Y Theatre Company’s Women In Theatre Festival, playing the role of Mary Elizabeth in a reading of “Six Inches Below The Knee,” winner of the Lanford Wilson New American Play Festival, by playwright Sally Seitz, and performed in a short play, titled “Elidi” at the New York Theater Festival. 

This past year, she has been a member of The Barrow Group’s One -Year Professional Acting Program. She has also worked as an actor and member of Silver Glass Production’s 2025 Experimental Theatre Writing Workshop.

Raised in a very musical family, she also sings and plays acoustic and electric guitar.