Rittenhouse made her
Off-Broadway debut in 2013 in
Commons of Pensacola, at the
Manhattan Theatre Club. In 2014, she made her television debut, appearing in the pilot episode of
Showtime drama series,
The Affair. Later in that year, Rittenhouse was cast in the series regular role as Brittany Dobler in the
Fox comedy-drama,
Red Band Society. The series was canceled after one season. Rittenhouse was one of the actresses briefly considered for the female lead role in the superhero film
Deadpool, which went to
Morena Baccarin. In 2015, Rittenhouse was cast as the female lead Cody LeFever in the
ABC prime time soap opera,
Blood & Oil. In late 2017, she was cast as Keri Allen in the
season seven finale of the legal drama series
Suits, which served as a
backdoor pilot for a potential spin-off,
Pearson. However, the role was recast with
Bethany Joy Lenz for the series. In 2018, she starred in "
The Body", an episode of the anthology series
Into the Dark. In 2019, she starred as interior decorator Ainsley Howard in the
Hulu miniseries
Four Weddings and a Funeral, an update on the 1994
film of the same name. The miniseries was created by
Mindy Kaling and
Matt Warburton, with whom she had previously worked with on
The Mindy Project. Rittenhouse starred in the title role of the comedy series
Maggie, released on Hulu in July 2022. The show was originally scheduled to debut on ABC, but was dropped to the Hulu streaming service, where it was canceled after 13 episodes and purged from Hulu and
Disney+ in May 2023. ==Personal life==