- Kim Genly
- Admiral Yasuko
- Charlie Allen-Wall
- Waresh
- Mark Meer
- The Sentinel
- Elizabeth Gmaz
- Dr. Pollard
- Felicia Day
- Amanda Wood
- Chloe Curtis
- Diane Anderson
- Damien Valentine
- Agent / Captain J S Michael / SBC Tech (voice)
- Josh Rendell
- Dr. Tavis
- Andrew Bugenis
- Dr. Lynch
- Robert S. Benjamin
- Marine / Praetorian Officer (voice)
- Charlie Humphries
- Ratbaggery Captain / Goon (voice) (as Charlotte Humphries)
- Holly Rose
- Claire
- Melanie Greaves
- Alexa Walker
- Per Kiilstofte
- Cain
