11 Harrowhouse
- Cast: Charles Grodin, Candice Bergen, James Mason, Trevor Howard, John Gielgud
- Duration: 94 minutes
- Genre: Drama, Action, Comedy, Crime
- Rating: 5.7/10
- Release Date: 1974-09-26
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.
