Double trouble.

Spencer Grammer, who played Dr. Lucy Montgomery on “ATWT” from 2006-2007, can be seen in an upcoming episode of “CSI: NY.” The daughter of Kelsey Grammer, she was most recently seen starring on the ABC Family show “Greek” until the series ended in 2011.

In the upcoming “CSI: NY” episode, Grammer will appear with her “Greek” costar Aaron Hill. The pair will play lab technicians who come under suspicion when a colleague is found dead.

In addition to “ATWT,” Grammer has also appeared in “Law & Order: SVU,” “Six Degrees,” and has lent her voice to “Robot Chicken.”

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