
Cast
- Andrew KeirProf. Bernard Quatermass

- James DonaldDr. Mathew Roney

- Barbara ShelleyBarbara Judd

- Julian GloverColonel Breen

- Bryan MarshallCaptain Potter

- Maurice GoodSergeant Cleghorn
- Duncan LamontSladden

- Peter CopleyHowell

- Edwin RichfieldMinister

- Grant TaylorPolice Sergeant Ellis












