MI5 operative Neil is asked to meet with retired KGB officer Alexander Petrov, who has approached MI5 claiming that he has highly classified information that he wishes to sell to pay for a triple heart bypass.
| Actor | Role |
|---|---|
 Dennis WatermanJohn Neil | John Neil |
 Leo McKernAlexander Petrov | Alexander Petrov |
 Frances BarberAnnie Shepherd | Annie Shepherd |
 Paul FreemanArmitage | Armitage |
 Nicholas JonesSchroeder | Schroeder |
 Susan JamesonController | Controller |
 William ArmstrongBill Roper | Bill Roper |
 Lalor RoddyMark Grady | Mark Grady |
 Ian FitzgibbonTony Lynch | Tony Lynch |
 James AubreyGeorge Grant | George Grant |
 Dave HillAndy | Andy |
 Peter ArmitageEddie Harris | Eddie Harris |
 Diane BullMrs. Grant | Mrs. Grant |
| JJames DugganDempsey | Dempsey |
 Emer GillespieIRA Woman | IRA Woman |
| RRichard SinnottWaiter | Waiter |
| NNorman WanChinese Takeaway Man | Chinese Takeaway Man |
| JJosh MoranFrench Bar Patron | French Bar Patron |
 Chris BissonFrench Barman | French Barman |
| AAnthony SchaefferSenior Policeman | Senior Policeman |