Don Mason
Captain Troy Tempest / Solaster Leader (voice) (archive footage)
Acting
Robert Easton
Lieutenant George Lee 'Phones' Sheridan / Corda / WSP Commander (voice) (archive footage)
Acting
Ray Barrett
Commander Sam Shore / Sub-Lieutenant John Horatio Fisher / King Titan / Various Characters (voice) (archive footage)
Acting
Lois Maxwell
Lieutenant Atlanta Shore / Milly Carson / Marineville Tracking Station #2 (voice) (archive footage)
Acting
David Graham
Admiral Henry Carson / Marin / Nucella / Various Characters (voice) (archive footage)
Acting