With G.I. Joe headquarters nearly destroyed, the Joes establish a temporary base on the USS Flagg. Joes on the space station try to warn the team of Cobra's plan to plant cubes at strategic locations to create an electricity-inhibiting pyramid over the northern hemisphere.
| Name | Type | Role | |
|---|---|---|---|
| Michael Bell | Guest Star | ||
| Mary McDonald-Lewis | Guest Star | ||
| Will Ryan | Guest Star | ||
| Christopher Collins | Guest Star | ||
| Bill Ratner | Guest Star | ||
| Pat Fraley | Guest Star | ||
| Kene Holliday | Guest Star | ||
| Frank Welker | Guest Star | ||
| Christopher Colli | Guest Star | ||
| Neil Ross | Guest Star | ||
| Bill Morey | Guest Star | ||
| Lee Weaver | Guest Star | ||
| Hal Rayle | Guest Star | ||
| John Hostetter | Guest Star |