Lois MaxwellLt Atlantis Shore (voice) Don MasonCaptain Troy Tempest (voice) Ray BarrettCommander Sam Shore (voice) Robert EastonLieutenant George Lee Sheridan (voice) David GrahamAdmiral Jack Denver (voice) Gary MillerDuke Dexer (singing voice) / Theme Song Performance Gerry AndersonWriter / Producer Reg HillAssociate Producer Gary MillerDuke Dexer (singing voice) / Theme Song Performance Derek MeddingsVisual Effects Director 
