TV journalist Tab Holland assists Scotland yard with the murder of a reclusive millionaire whose corpse is discovered locked in a vault. The key to the vault is mysteriously found on the table beside the corpse.
Paul Daneman
as Rex Lander
Bernard Archard
as Superintendent Carver
James Villiers
as Tab Holland
Katherine Woodville
as Jane Ardfern
Clive Morton
as Ramsey Brown
Wolfe Morris
as Yeh Ling
David Horne
as John Trasmere
Julie Shearing
as Waitress
Leslie Sands
as Sergeant Harris
Ruth Kettlewell
as Mrs. Rushby
Maudie Edwards
as Barmaid
Alex Gallier
as Head Waiter
