| Year | Award Presenter | Nomination / Award category | For |
| 2000 | Leo Awards
| Nomination: Best Performance by a Female in a Dramatic Series | Stargate SG-1: Point of View |
| 2000 | Academy of Science Fiction, Horrow and Fantasy Films | Nomination: Best Genre TV Supporting Actress | Stargate SG-1 |
| 2001 | Academy of Science Fiction, Horrow and Fantasy Films | Nomination: Best Supporting Actress on Television | Stargate SG-1 |
| 2001 | 16th Annual Gemini Awards | Nomination: Best Performance by an Actress in a Continuing Leading Dramatic Role | Stargate SG-1: 2010 |
| 2002 | 28th Annual Saturn Awards | Nomination: Best Supporting Actress in a Television Series | Stargate SG-1 |
| 2002 | Leo Awards | Award: Best Lead Performance - Female | Stargate SG-1: Ascension |
| 2004 | Leo Awards | Award: Best Lead Performance by a Female in a Dramatic Series | Stargate SG-1: Grace |
| 2004 | Leo Awards | Award: Best Direction | Stargate SG-1: Resurrection |
| 2004 | Academy of Science Fiction, Horrow and Fantasy Films | Nomination: Best Supporting Actress in a Television Series | Stargate SG-1 |
| 2005 | Academy of Science Fiction, Horrow and Fantasy Films | Award: Best Supporting Actress in a Television Series | Stargate SG-1: Threads |
| 2007 | 8th Annual Canadian Comedy Awards | Award: Best Actress in the Film | Breakdown |
| 2007 | SyFy Genre Awards | Nomination: Best Actress | Stargate SG-1 |
| 2007 | SyFy Genre Awards | Nomination: Best Web Presentation | Sanctuary |
| 2007 | Constellation Awards | Nomination: Best Female Performance in a 2007 Science Fiction Television Episode | Stargate SG-1: The Road Not Taken |
| 2009 | Constellation Awards
| Nomination: Best Female Performance in a 2008 Science Fiction Film, TV Movie or Mini-Series
| Stargate: Continuum
|
| 2009 | Constellation Awards
| Nomination: Best Female Performance in a 2008 Science Fiction Television Episode
| Sanctuary: Requiem
|
| 2009 | Constellation Awards
| Nomination: Outstanding Canadian Contribution to Science Fiction Film or Television in 2008
| Sanctuary
|
| 2009 | Leo Awards
| Nomination: Lead Performance by a Female in a Feature Length Drama
| Stargate: Continuum
|
| 2009 | Leo Awards
| Award: Dramatic Series: Best Lead Performance by a Female
| Sanctuary: Requiem
|
| 2009 | Gemini Awards
| Nomination: Best Performance by an Actress in a Continuing Leading Dramatic Role
| Sanctuary |
