She has also appeared in the films Stardom (2000), Lost and Delirious (2001), Wicker Park (2004), Suck (2009), Hot Tub Time Machine (2010), and Brooklyn (2015).

[5] [6] Paré's father was an actor and drama teacher who toured with a theatre company, and her mother acted in amateur productions; her uncle Paul was a comedian with the sketch comedy troupe Radio Free Vestibule.

[7] Paré watched her father at rehearsals as a child and became interested in acting while helping him learn his lines for a production of The Tempest.

She studied drama at TheatreWorks and appeared in over half a dozen amateur theatre productions as a teenager, including roles as Maid Marian in Robin Hood and Lucy in The Lion, the Witch and the Wardrobe.

[11] Paré landed a small role in the television film Bonanno: A Godfather's Story during her final year in high school, which convinced her to pursue acting as a career.

[12] She also had small roles in an episode of the horror television series Big Wolf on Campus and the French film En Vacances (1999).

Paré next starred in Lost and Delirious (2001), a story of two young lovers set in a girls' boarding school.

[17] Paré appeared in the television miniseries Random Passage (2002), based on a series of award-winning novels by Bernice Morgan.

[22] She filmed Suck (2008), a vampire horror-comedy written and directed by Rob Stefaniuk,[23] for which role she learned to play the bass guitar.

[26] Also in 2010, Paré joined the cast of the AMC television series Mad Men, playing Don Draper's second wife, Megan Calvet.

[33] 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.