1. Marvel was born in Orange County, California but raised in Mohnton, Pensylwania.
2. She attended Juilliard School and since the early 1990s has appeared in off-Broadway plays.
3. She has won Obie Awards for her work in Thérèse Raquin and Misalliance . She returned to the role she originated Off-Broadway of Brooke Wyeth in Other Desert Cities, which was played by Rachel Griffiths in its Broadway premiere.
4. W 2009, for her performance in Fifty Words, she was nominated for a Drama Desk Award for Outstanding Actress in a Play.
5. W filmie, Marvel has appeared in Burn After Reading , as the adult Mattie Ross.
6. W telewizji, she is best known for her regular role as Nancy Parras in CBS series The District .
7. She played recurring roles in Lights Out, Prawo & Zamówienie: Jednostki specjalne ofiary, Siostra Jackie, and Person of Interest, and guest-starred on 30 Skała, Żona idealna, and The Newsroom.
8. W 2013, she was cast as lead in the CW family drama pilot Blink, opposite John Benjamin Hickey.