Cast & Crew
-
James DonaldDoctor Roney - Andrew KeirProf. Bernard Quatermass
- Barbara ShelleyBarbara Judd
- Julian GloverColonel Breen
- Duncan LamontSladden
- Bryan MarshallCaptain Potter
- Peter CopleyHowell
- Edwin RichfieldMinister
- Grant TaylorPolice Sergeant Ellis
- Maurice GoodSergeant Cleghorn
- Roy Ward BakerDirector
- Anthony Nelson KeysProducer