When streetwise Manhattan police detectives Rawlings (Howard Hesseman) and Brendan Thomas (Ed Marinaro) discover a major diamond heist is about to go down at a renowned gallery, they enlist one of their suspects, gallery employee Tara Holden (Brooke Shields). But an attempt to foil the robbery explodes with deadly consequences for Tara. Committed to break the case, Rawlings relentlessly pursues the clues through a twisted maze of deceit and danger that takes him to England, where he and Scotland Yard detecive Charlie Lawson expose the ultimate con and solve the crime.
| Actor | Role |
|---|---|
 Howard HessemanDet. Rollings | Det. Rollings |
 Brooke ShieldsTara Holden | Tara Holden |
 Darren McGavinChief Walter Vadney | Chief Walter Vadney |
 Dick O'NeillLt. Barnett | Lt. Barnett |
 Tony SteedmanChief Supt. Kellogg | Chief Supt. Kellogg |
 Nicholas PryorMr. Exeter | Mr. Exeter |
 TwiggyDet. Sgt. Charlie Lawson | Det. Sgt. Charlie Lawson |
 Ed MarinaroDet. Brendan Thomas | Det. Brendan Thomas |
| HHoward GeorgeJerry Donohoe | Jerry Donohoe |
 Wensley PitheyBasil | Basil |
 H.M. WynantIdrissi | Idrissi |
| RRichard BatesDesk Clerk | Desk Clerk |
| KKirk SiscoSurgeon | Surgeon |