Guest Stars Ray Smith as Inspector Firbank Brenda Cavendish as Nell Holdsworth Pauline Delaney as Mrs. Mortimer Barbara Keogh as Store Detective Barry Foster as Gerald Gurney-Stuart Jennifer Daniel as Patricia Gurney-Stuart Richard Warner as Bank Manager Andre Morell as Robert Stuart Guy Deghy as Mr. Hubermann Nora Nicholson as Mrs. Stuart Mohan Singh as Indian waiter