- Megan Niessink
- Â Computer 2 episodes, 2007
- Patrick Malone
- Â The Chief (2007) / ... unknown episodes
- Ray Chase
- Â Admiral Peterson / ... unknown episodes
- Alexander Winn
- Â Captain of the Seraphim, Guardian Whispers, Lykurgus, Green 1 Harvey Guttman unknown episodes
- Ryan Hayden
- Â Red 1 Jack Foster (2007) unknown episodes
- Caitlin Rain
- Â Blue 1 Candice McKenzie unknown episodes
- Trevor Davis
- Â Fleet Master Menahee (2007) / ... unknown episodes
- Ryan Luther
- Â Blue 2 Will Garretson (2007) unknown episodes
- Kyle McCarley
- Â Red 2 Ben Jefferson (2007) unknown episodes
- Lauren Jenks
- Â Mercury Communications Officer (2007) unknown episodes
- Jeff Robinson
- Â Various Elites (2007) unknown episodes
- Alessandra Hass
- Â Guardian Whispers (2007) unknown episodes
