When David Hare's 1998 play "The Blue Room" opened in London (and later on Broadway), most of the attention was focused on Nicole Kidman. Appearing opposite her in the two-hander was the award-winning, classically-trained player Iain Glen. Aficionados of public television might have recognized this rangy Scottish actor for his performances in the title role of "Adam Bede" (1992) or as the spoiled scion of a wealthy family in "Painted Lady" (1998). British theatergoers had reveled in his portrayals of Shakespearean heroes such as "Hamlet" and "Henry V" and as the impostor who poses as "Martin