Helen Mirren

British actress Helen Mirren, perhaps best known for her long-running role as Det. Supt. Jane Tennison on TV's Prime Suspect, has had two quite closely related roles recently. She plays Elizabeth I in a new HBO four-part miniseries premiering April 22; then she appears as Elizabeth II in The Queen, a film from Stephen Frears.

English actress Helen Mirren. She stars in "Prime Suspect," a three-part thriller premiering this week on public television's "Mystery" series. Mirren has preformed with the Royal Shakespeare Company, and the films "The Comfort of Strangers," "Age of Consent," "The Long Good Friday," and "Excalibur."

Helen Mirren introduced the character of British police inspector Jane Tennison in the first Prime Suspect miniseries, imported by PBS 14 years ago. This weekend and next, the PBS anthology series Masterpiece Theatre presents the last entry: Prime Suspect: The Final Act.