Characters played by Don Mason
Captain Troy Tempest
1st WSP Commander
Characters played by Robert Easton
Lieutenant George Lee 'Phones' Sheridan
Surface Agent X-2-Zero
3rd WSP Commander
Aquaphibian 1
Characters played by Ray Barrett
Commander Sam Shore
Sub-Lieutenant John Horatio Fisher
King Titan
2nd WSP Commander
Characters played by Lois Maxwell
Lieutenant Atlanta Shore
Characters played by David Graham
Aquaphibian 2
Aquaphibian 3
Officer-Check Point 1
Doc
Marineville Tracking Station