(in alphabetical order)
- Dee Bradley Baker(archive sound) (voice)
- Adam Baldwin(archive sound) (voice)
- Julie Benz(archive sound) (voice)
- Justis Bolding(archive sound) (voice)
- Burnie Burns(archive sound) (voice)
- Mike Colter(archive sound) (voice)
- Robert Davi(archive sound) (voice)
- Keith David(archive sound) (voice)
- Brian T. Delaney(archive sound) (voice)
- John DiMaggio(archive sound) (voice)
- Ben Diskin(archive sound) (voice)
- Steve Downes(archive sound) (voice)
- Nathan Fillion(archive sound) (voice)
- Nika Futterman(archive sound) (voice)
- Jennifer Hale(archive sound) (voice)
- Jamie Hector(archive sound) (voice)
- Joel Heyman(archive sound) (voice)
- John Michael Higgins(archive sound) (voice)
- Kate Higgins(archive sound) (voice)
- Matt Hullum(archive sound) (voice)
- Orlando Jones(archive sound) (voice)
- Hakeem Kae-Kazim(archive sound) (voice)
- John Kassir(archive sound) (voice)
- Mikey Kelley(archive sound) (voice)
- Braden Lynch(archive sound) (voice)
- Sunil Malhotra(archive sound) (voice)
- Elle Newlands(archive sound) (voice)
- Nolan North(archive sound) (voice)
- Darren O'Hare(archive sound) (voice)
- Ethan Peck(archive sound) (voice)
- Ron Perlman(archive sound) (voice)
- Brian Posehn(archive sound) (voice)
- Laura Prepon(archive sound) (voice)
- Geoff Ramsey(archive sound) (voice) (as Geoff Lazer Ramsey)
- Michelle Rodriguez(archive sound) (voice)
- Mark Rolston(archive sound) (voice)
- Carole Ruggier(archive sound) (voice)
- Katee Sackhoff(archive sound) (voice)
- Isaac C. Singleton Jr.(archive sound) (voice)
- Gustavo Sorola(archive sound) (voice)
- Terence Stamp(archive sound) (voice)
- Joseph Staten(archive sound) (voice)
- Fred Tatasciore(archive sound) (voice)
- Bruce Thomas(archive sound) (voice)
- Alan Tudyk(archive sound) (voice)
- David Frederick White(archive sound) (voice)
- Debra Wilson(archive sound) (voice)
- Norm Woodel(archive sound) (voice)
- Dameon Clarke(archive footage) (uncredited)
- David Lodge(archive footage) (voice) (uncredited)
- Yuri Lowenthal(archive sound) (voice) (uncredited)
- Dave Mallow(archive footage) (voice) (uncredited)
- Kirk Thornton(archive footage) (uncredited)
- Rick Zieff(archive footage) (voice) (uncredited)
