Charles
Isherwood

October 14, 2009

As one of the bed-hopping interns in the hospital soap opera “Grey’s Anatomy,” T. R. Knight was both nebbishy and adorable, a sad-sack elf who still managed to get the girls, despite the fierce competition from his more square-jawed, bedroom-eyed colleagues. Onstage as Leo Frank, the Jewish factory superintendent wrongly accused of murdering a teenage girl in the musical “Parade,” Mr. Knight remains distinctly nebbishy, but the scope for adorability is severely limited.