William SylvesterSam Slade Christopher RhodesMcCartin Joseph O'ConorProf. Hendricks Bruce SetonProf. Flaherty Maurice KaufmannRadio Reporter Basil DignamAdmiral Brooks Tommy DugganFirst Naval Officer Nigel GreenBulletin Announcer (Uncredited) James LeicesterAssociate Producer Maurice KingExecutive Producer Frank KingExecutive Producer Elliot ScottArt Direction Freddie YoungDirector Of Photography Stella MorrisMakeup Artist Eric Boyd-PerkinsRedacteur Angelo Francesco LavagninoOriginal Music Composer Robert L. RichardsScreenstory 
