Overview
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.
Cast
Charles Grodin
Candice Bergen
James Mason
Trevor Howard
John Gielgud
Helen Cherry
Peter Vaughan
Cyril Shaps
