(Actress) is currently starring in the world premier of Dave Malloy’s Octet at Signature Theatre. She is well known for originating the role of Adrian in the Broadway production of Rocky, and she also recently played Jane in the critically acclaimed a cappella musical In Transit on Broadway. Margo came up in the DC theatre scene after graduating from American University, and appeared in various productions at Signature Theatre, Folger Theatre, Ford’s Theatre, Olney Theatre Center and the Shakespeare Theatre. Since moving to New York, she has performed at various theaters off-Broadway and around the country with companies like Rattlestick, The Women’s Project, and Weston Playhouse, The Paper Mill Playhouse, A.C.T, and Two River Theater. TV credits include: Boardwalk Empire, Elementary, Instinct, The Good Cop. margoseibert.com