Cast
- Margaret Lockwood as Clarissa Hailsham-Brown
- Felix Aylmer as Sir Rowland Delahaye
- Myles Eason as Jeremy Warrender
- Harold Scott as Hugo Birch
- Campbell Singer as Inspector Lord
- Desmond Llewelyn as Constable Jones
- Sidney Monckton as Elgin
- Judith Furse as Mildred Peake
- Charles Morgan as Oliver Costello