- Elizabeth Cameron
- Katherine MacDonald
- Charlie Allen-Wall
- Adam Halesberth
- Gabrielle Pugliese
- Ravyn Halesberth
- Richard Grove
- Captain Rex Heyman
- Ingrid Moon
- Commander Elaine Fulmer
- Kim Genly
- Admiral Yasuko
- Damien Valentine
- The Agent
- Felicia Day
- Amanda Wood
- Mauri Majanoja
- Lieutenant Brawner
- Sarah Howison
- Librarian / Alpha Two (voice)
- Jamie Addis
- King's Arch Captain / Chief of Police (voice)
- Andrew Bugenis
- Rebel Officer
- Dulci
- Cynthia McDonald
- Tommy Murray
- Commander
- Fern Pankhurst
- Miner / Chief Baker (voice)
- Phil Rice
- Captain Briscoe
- Michelle Sakofsky
- Lieutenant Logan
- Andrew Sanjanwala
- Captain James Green
- Matt Sias
- Lieutenant
