- Jason Gedrick
- Raymond 'Doc' Ellers
- Eric Roberts
- Cdr. William Krieg
- Barry Bostwick
- President Taylor
- Chris Warren
- James Piersall
- Bridget White
- Katie McCallister
- Corbin Bernsen
- Capt. Brad Richards
- Alex Paez
- Lieutenant Michaels
- David Dayan Fisher
- Garrett
- Maury Sterling
- Allenson
- Deobia Oparei
- Gerard
- Michelle Lee
- Chang
- Geoff Meed
- Rosen
- Stephen Monroe Taylor
- Bachman
- Yorgo Constantine
- Andreyev
- William Allen Young
- Capt. Daniel Lewis
- Cotter Smith
- Admiral Butler
- Marty Lodge
- Joe Corbett
- Adeye Sahran
- White House Aide
- Hallock Beals
- Greg
- Jesse Garcia
- Sonar Operator Charles
- Andrew Breznick
- Craig
- Matt Sigloch
- Tech Advisor
- Aurelius DiBarsanti
- Submarine Navigator
- Verne Graham
- Hegan
- Michael J. Jacyna
- Whitefield
- Jabari Simba
- Secret Service
- Frederick Martin Smith
- Submarine Crew Member
- Chris Spinelli
- Crew Member Damon