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) Gerry AndersonFörfattare / Producent Sylvia AndersonFörfattare Reg HillAssociate Producer Derek MeddingsVisual Effects Director 
