A grand finale for 'Prime'

Last season earns Mirren RTS nod

Helen Mirren added another prize to her already overstuffed awards cabinet, winning the best actress award for her performance in ITV's "Prime Suspect" at the Royal Television Society awards (HR 3/15).

Mirren was recognized March 13 for her performance as embattled cop Jane Tennison in the final season of the show, which sees her character battling alcoholism and struggling to protect her collapsing career.

Michael Sheen's performance as comic legend Kenneth Williams in BBC4's "Fantabulosa" earned him the best actor award, while writer-comedian Stephen Merchant won best comedy performance for "Extras." West End audition show "How Do You Solve a Problem Like Maria" was named best entertainment show for BBC1, while More 4's "Death of a President" was voted best digital program.

ITV's wartime biopic "Housewife 49" was named best single drama, and ITV2's HBO-produced "Entourage" was voted best acquisition.