Walsh began working as a professional actor at age 12.[3] She has dabbled in sketches and stand-up comedy, with numerous TV appearances. She won a gold medal win at the 2000 Improv Games in Quebec as a member of the "8 People" troupe. She is a graduate from John Abbott College, Creative Arts program.[3]
MuchMusic
Walsh was encouraged to apply for the position of a MuchMusic VJ by one of the channel's producer while waiting tables in Hudson, Quebec.[1] She applied and got the job, becoming the youngest VJ in MuchMusic history at the age of nineteen.[1][3] She has hosted or co-hosted many programmes including Much Top Tens, Electric Circus, MuchOnDemand, Fandemonium and others. She left MuchMusic in 2004 to pursue an acting career.[3]
After moving to Los Angeles, Walsh got a starring role in the ABC mid-season replacement Sons & Daughters, which premiered in March 2006. Sons & Daughters was a semi-improvisationalsitcom. The show was canceled, with only eleven episodes created.[7] Her portrayal of Katie in the unaired pilot for the sitcom The Big Bang Theory was not well-received. However, the character was re-written and Walsh was replaced by Kaley Cuoco (as Penny) in the second pilot.[8]
In 2007, she had a role in the ABC movie Full of It as Vicki Sanders.[9] In 2008, Walsh had a role in the Internet series The Remnants with Ze Frank.[10] She can be seen in the 2009 comedy film Ghosts of Girlfriends Past.[4] In 2010, she appeared in ABC Family's Beauty and the Briefcase playing Hilary Duff's best friend Joanne.[11] She was cast as the lead in the pilot episode for The CW's dramedyDanni Lowinski.[12] She made appearances in the TV shows Grimm, Two and a Half Men and NCIS.[13] In 2014–2015, she appeared in ten episodes of the TV show Lost Girl as Elizabeth Helm/Zee.[11] In 2017, she appeared in the second season of Dirk Gently's Holistic Detective Agency in the central role of Suzie Boreton.[14] The show was canceled at the end of the season.[15]
Walsh became one of the story editors for the Canadian TV comedy Schitt's Creek and wrote one of the episodes for season 1.[11] Walsh then had a role in the 2022 film Doula.[16] Walsh appeared in season three of the Canadian drama Pretty Hard Cases.[11]
