English actress Lindsay Duncan, as Julius Caesar’s former lover Servilia, provided a regal majesty to HBO’s decidedly racy, sophisticated “Rome” (2005), not to mention acting chops worthy of filling a trophy case. Born in Edinburgh in 1950, Duncan acted on the stage for a number of years before appearing on British television in guest roles on such shows as “The New Avengers” and “Dick Turpin,” as well as a brief recurring role on “Colin’s Sandwich.” She landed roles in mini-series such as “Dead Head” and “Reilly: Ace of Spies,” and regular series such as “Kit Curran.” She appeared in