Paré shot the CBS pilot Protect and Serve in 2007, co-starred in the independent French-Canadian romantic comedy Jusqu’à toi, and had a small role in The Trotsky (2008), a comedy filmed in Montreal.

In 2007, Paré married writer and producer Joseph M. Smith. They divorced in 2010.

Paré played a groupie in the comedy film Hot Tub Time Machine (2010). That year, she also appeared in the Canadian comedy Peepers, about pleasures in voyeurism. Peepers competed in the Just for Laughs film festival in Montreal in July 2010.

Also in 2010, Paré joined the cast of the AMC television series Mad Men, playing Don Draper’s second wife, Megan Calvet. Paré’s character had a prominent role in the Season 5 opener of Mad Men, in which she danced and sang a version of the 1960 Gillian Hills hit “Zou Bisou Bisou”. Her recording of the song was subsequently released as a download and on vinyl.

In 2011, Paré appeared in Beholder. The short film, directed by Nisha Ganatra, premiered as part of the ITVS/PBS series FutureStates. She also starred in The Mountie (also known as The Way of the West, and filmed under the working title of Red Coat Justice in 2009)), a western about the North-West Mounted Police, filmed in a remote location outside of Whitehorse, Yukon, and in the comedic short Sorry, Rabbi, directed by Mark Slutsky.

In 2012, Paré appeared on stage with The Jesus and Mary Chain, singing “Just Like Honey”, for two concerts in Buffalo, New York and Toronto. That same year, she filmed the romantic comedy, Standby, in Luxembourg and Ireland; she plays the female lead, Alice. It was released in 2014.

In 2013 she was dating musician John Kastner. On March 19, 2015, Paré gave birth to a son, who was named Blues Anthony Paré Kastner.

In 2017 Paré was added to the main cast of the CBS television series SEAL Team as Amanda Ellis, the team’s CIA liaison. The show was renewed for a fourth season in 2020.