A gang of high class corporate thieves use blackmail to induce their victims to sell property at knock-down prices.

Bernard Lee ... Det. Supt. Meredith
Alexander Knox ... Colonel Calderwood
Moira Redmond ... Diana Marsh
William Russell ... Mike Stafford
Richard Vernon ... John Crewe
Richard Warner ... Mark Speller
John Gabriel ... Monet
Jack Rodney ... Gregory
Stanley Morgan ... Det. Sgt. Anson
Robert Percival ... Mr. Britton
Ann Harriman ... Receptionist
Julie Shearing ... Judy
Fanny Carby ... Mrs. Wall
Ian Hamilton ... Waiter
Walter Horsbrugh ... Registrar
Joe Wadham ... Detective

Director: Gerard Glaister