When Alex and Holly finds a submarine while diving, it turns out to be an old German war-sub...
| Name | Type | Role | |
|---|---|---|---|
| Everett De Roche | Writer | ||
| Briant Wells | Guest Star | ||
| Brendan Moar | Guest Star | ||
| Alan Dale | Guest Star | ||
| Catherine Miller | Guest Star | ||
| Terry Paye | Guest Star | ||
| Geoffrey Nottage | Director |