As part of his plan to destroy Marineville, Surface Agent X-2-Zero infiltrates the base by posing as a professor who can teach mute people to speak.
| Actor | Role |
|---|---|
 Don MasonCaptain Troy Tempest (voice) | Captain Troy Tempest (voice) |
 Robert EastonLieutenant George Lee 'Phones' Sheridan / Surface Agent X-2-Zero (voice) | Lieutenant George Lee 'Phones' Sheridan / Surface Agent X-2-Zero (voice) |
 Ray BarrettCommander Sam Shore / King Titan (voice) | Commander Sam Shore / King Titan (voice) |
 Lois MaxwellLieutenant Atlanta Shore (voice) | Lieutenant Atlanta Shore (voice) |
 David GrahamCheck Point 1 Officer (voice) | Check Point 1 Officer (voice) |