- David Ogden Stiers
- The Admiral
- Rob Taylor
- Neil Stryker / The Mad Scientist
- Nic Costa
- Darrel Freeway / Clark Longbow
- Walter Koenig
- Ray Nabroski (future)
- Matt Zak
- Agent Kevin Humphries
- Bryna Smith
- Nurse Sharon
- Jordana Ansley
- Veronica
- Michael Friedrichs
- Agent Ray Nabroski (present) / Sherlock Holmes
- Traben Pleasant
- Agent Ben Brenner
- Bobby Ryan
- Agent Johnson
- Stephen Lisk
- Commander Fred
- Seantos Mcdonald
- Lance
- Jared McClain
- The Commodore
- Matt Haley
- Dr. John H. Watson
- Richard Lata
- Spanish Thug
- Chris Welch
- Russian Thug
- Meg Dooney
- Elite Forces Computer
- Mikey Hodges
- Agent Carl
- Rocky Smith
- Janitor
- Jedediah Aaker
- Swashbuckler #1
- Jerry L. Buxbaum
- Adolf Hitler
- Meg Gamez
- Agent #3
- Leslie Garbett
- Lady Nazi
- Ryan Haggi
- German Captain
- Mathew Jenkins
- Swashbuckler #2
- Amanda Jensen
- Barbara (Stryker's Wife)
- Jodie Johnson
- Eva Braun
- Aris Juson
- Japanese Soldier / The Bachelor
- Nancy Kam
- Swashbuckler Lady
- Paulius Kontijevas
- Nazi Youth
- Genevieve Liberte
- Agent #2
- Koa Malone
- Agent #1
- Brian Perez
- Evaluator #2
- Brett Roberts
- Agent Jack
- Dique Scott
- Agent Glasses
- Ward Smith
- Nazi General Schmidt
- Allen Taylor
- Nazi Oberst Schneider
- Joyce Taylor
- Can Do Agent
- Walker Taylor
- Stryker's son
- Jeffrey Wilson
- Evaluator #1
- Ryan Wilson
- Kazoo Nazi
