Mumford starred as Lena Landry on the
ABC paranormal series
The River in 2012 and on the Fox series
Lone Star in 2010, in which she was cast during her first pilot season after college. She was the female lead in the Blumhouse Productions feature
Not Safe For Work for
Universal Pictures, and the female lead in the indy
Drones alongside Matt O'Leary, directed by Rick Rosenthal. In February 2012, she was cast as the female lead in an ABC drama pilot titled
Reckless. She played Anastasia Steele's roommate, Kate Kavanagh, in the
Fifty Shades of Grey film (2015), and reprised the role in the sequels
Fifty Shades Darker and
Fifty Shades Freed. She starred alongside
Billy Crystal and
Ben Schwartz in the indy
Standing Up, Falling Down (2019). In 2020 she played Trudy Cooper, the female lead in the Disney+ streaming TV series
The Right Stuff. In 2024 she appeared in eight episodes of Amazon Prime’s
Cross as Shannon Whitmer, a woman abducted by a serial killer. ==Filmography==