Monteith began his acting career in Vancouver, British Columbia.
~He played minor roles in Final Destination 3, Whisper, and Deck the Halls. He had a recurring role in Kyle XY.
~He also made guest appearances in television serials as Smallville, Supernatural, Flash Gordon, Stargate Atlantis, and Stargate SG-1.
~In 2005, he appeared in Killer Bash, about a tormented geek's soul that was taking revenge on his murderer's children by taking over a girl's twin body.
~The following year, he made a brief appearance in Urban Legend: a Bloody Mary.
~In 2007, he starred in the MTV series Kaya. In April 2010, Monteith was cast in the romantic comedy movie Monte Carlo.
~On August 8, 2010, he co-hosted the Teen Choice Awards.
~Monteith hosted the Gemini Awards in Toronto on November 13, 2010.
~In December 2010, it was announced that Monteith would be starring in and co-producing a new untitled workplace-caper comedy for Fox 2000.
~In January 2011, he shot the film Sisters&Brothers with Dustin Milligan, which premiered at the Toronto International Film Festival on September 11, 2011.
~In 2011, he filmed a PSA for Straight But Not Narrow, an online PSA organization aimed at changing the minds of young, straight guys and girls in their attitude and viewpoint towards the LGBT community.
~In 2012, he co-hosted the 23rd GLAAD Media Awards in New York City with co-star Naya Rivera.
