Marks appeared in the 2006 feature film
Accepted as Lizzie Gaines. She has guest-starred in
television programs such as
Ugly Betty and
Weeds. She was featured in the cover story of the June 4, 2006, issue of
The New York Times Magazine with her friend
Liana Liberato. Marks played Tammy in
The Runaways, a 2010
biographical film about the 1970s
all-girl rock band of the same name. She has been nominated twice for a
Young Artist Award, first for her performance in the film
Accepted, and again for her performance in the television series
FlashForward. Marks starred as Amanda Brotzman in the
BBC America original ''
Dirk Gently's Holistic Detective Agency''. In July 2017, Marks was named one of
Rolling Stone's 25 Under 25 Artists Changing the World. in a YouTube video about
Turtles All the Way Down In January 2019, she was named as the director for an upcoming
film adaptation of the
John Green novel
Turtles All the Way Down. This adaptation was released on May 2, 2024, on the streaming service
Max. In March 2021, she was named as the director for the
Amazon Studios film ''
Don't Make Me Go'' starring
John Cho. ==Filmography==