Reparto (17)
André MorellProfessor Bernard Quatermass
Cec LinderDr. Matthew Roney
John StrattonCaptain Potter
Christine FinnBarbara Judd
Anthony BushellColonel James BreenRichard DarePrivate SecretaryRobert PercevalMinister
Michael RipperSergeant
Harold GoodwinCorporal Gibson
Clifford CoxFirst PrivateBrian GilmarSecond Private
Brian WorthJames FullaloveRichard ShawSladdenIan AinsleyPolice InspectorJohn WalkerPrivate WestTony QuinnNews Editor
Noel HowlettVicar