Edward woodward won a best actor bafta for his starring role as david callan, a british government assassin, in one of television’s most popular and long running spy dramas. Callan explores the dingy twilight world of the professional spy and presented what was, until that point, television's most realistic portrayal of government espionage. The drama became a national phenomenon in the 1960s and making woodward one of the highest profile actors on television. This single play, originally aired in 1981 and scripted by series creator writer james mitchell, saw the reluctant killer pressed into service one last time. Reuniting callan and his malodorous sidekick, lonely russell hunter, the play also stars george sewell, hugh walters as hunter, anthony smee and helen bourne. Ten years on, david callan hasn t changed much. Retirement has brought a new identity, a new mistress, and a new business in the form of a militaria shop but he finds that once a secret service operative, always a secret service operative when a call summons him to headquarters and a meeting with the fourth hunter of his career a past callan thought dead and buried. Reactiviating it is no pleasure but it has to be done. Running time 80 minutes region region 2 release date 28 mar. 2011