Timlin made her Broadway debut as Baby Louise in the 2003 revival of
Gypsy led by
Bernadette Peters. She debuted on the big screen as Amy, a 14-year-old girl with
type 1 diabetes, in the 2005 film
Derailed alongside
Clive Owen and
Melissa George, who played her parents. Timlin played Maddy in a short film,
The Isabel Fish, directed by Lara Zizic for the Columbia Film Festival. In 2007, Timlin appeared in the music video "Sleeping Lessons" by Albuquerque, New Mexico–based indie-rock band
The Shins. In 2008, she made an appearance in the music video for the song "
Check Yes Juliet" by
We the Kings, playing the fictional Juliet. She was cast in the short-lived
CBS television drama
3 lbs as Charlotte Hanson (the daughter of the main character played by
Stanley Tucci), in three of the eight episodes that were filmed. Timlin is seen in the short film
Man, written and directed by Myna Joseph, which was screened at the
Sundance Film Festival and at
Cannes. In 2008 she played Emily Draper in the ABC television show
Cashmere Mafia, the troubled teenage daughter of Juliet Draper (
Miranda Otto). Timlin was cast in
Day One, an
NBC midseason replacement TV series which was cut down to a mini-series that never aired. In the fourth season of
Californication she portrayed Sasha Bingham, an actress who is in a
casual sexual relationship with protagonist
Hank Moody (
David Duchovny). She played the female lead, Stormy Llewellyn, in
Stephen Sommers' adaptation of the first book of
Dean Koontz's
Odd Thomas series, opposite
Anton Yelchin as
the title character. In February 2012, Timlin was cast in ABC's drama pilot
Zero Hour, which was picked up as a
mid-season replacement and premiered in February 2013. In May that same year, Timlin joined the cast of the indie romantic comedy
The Bounceback. In 2013, Timlin appeared in the action-comedy
Stand Up Guys, which starred
Al Pacino,
Christopher Walken and
Alan Arkin. Timlin was cast as Lucinda "Luce" Price in 2016's
Fallen, adapted from
Lauren Kate's
novel of the same name. In 2016, Timlin was cast as a female lead in CBS's drama pilot
MacGyver, but was dropped from the cast when the network picked up pilot to series. In 2017, Timlin was cast in the second season of
Crackle's show
StartUp. She played a young
Hillary Clinton in the 2019 film ''
When I'm a Moth''. ==Personal life==