Cory Monteith est né au Canada le 11 mai 1982. Avant de devenir comédien, Cory a exercé de nombreuses activités professionnelles (Ouvrier du batiment, Chauffeur de taxi...)
Il a commencé sa carrière d'acteur à Vancouver. Il vit actuellement à Culver City en Californie.
Film
* Whisper - Teenage Boy (2007)
* The Invisible - Jimmy (2007)
* Gone (short) - Davis Calder (2007)
* White Noise 2: The Light - Scooter Guy (2007)
* Deck the Halls - Madison’s Date (2006)
* Final Destination 3 - Kahill (2006)
* Bloody Mary - Paul Zuckerman (2006)
* Pokemon - Tracey (1998)
Television
* The Assistants (TV series) - Shane Baker (1 episode, 2009)
* Glee (TV series) - Finn Hudson (2009)
* Mistresses (TV movie) - Jason 2009
* The Boy Next Door (TV movie) - Jason 2008
* Gossip Girl - extra 2008
* Fear Itself (TV series) - James (1 episode, 2008)
* Kaya (TV series) - Gunnar (10 episodes, 2007)
* Flash Gordon (TV series) - Ian Finley (1 episode, 2007)
* Kyle XY (TV series) - Charlie Tanner (7 episodes, 2006-2007)
* Hybrid (TV movie) - Aaron Scates (2007)
* Kraken: Tentacles of the Deep (TV movie) - Michael (2006)
* Stargate SG-1 (TV series) - Young Mitchell (1 episode, 2006)
* Whistler (TV series) - Lip Ring (1 episode, 2006)
* Killer Instinct (TV series) - Windsurfer Bob (1 episode, 2005)
* Supernatural (TV series) - Gary (1 episode, 2005)
* Young Blades (TV series) - Marcel Le Rue (1 episode, 2005)
* Stargate: Atlantis (TV series) - Genii Private (1 episode, 2004)