
Cast
- Robert ClarkeJohn Lawrence

- Margaret FieldEnid Elliot

- Raymond BondProf. Elliot

- William SchallertDr. Mears

- Roy EngelTommy the Constable

- David OrmontInspector Porter
- Gilbert FallmanDr. Robert Blane
- Pat GoldinThe Man from Planet X
- Tom DalyDonal, a searcher
- June JefferyWife of Missing Man











