A small time diamond merchant jumps at the chance to supervise the purchase and cutting of a large first class diamond. But when the diamond is stolen from him, he is blackmailed into pulling off a major heist at the Diamond Exchange, located at 11 Harrowhouse.
Rated PG | Length 94 minutes
Charles Grodin | Candice Bergen | James Mason | Trevor Howard | John Gielgud | Helen Cherry | Peter Vaughan | Cyril Shaps | Leon Greene | Jack Watson | Jack Watling | Clive Morton | Larry Cross | Glynn Edwards | John Bindon | Joe Powell | Michael Gover | Michael Hawkins | Patricia Michael