Just cast on NBC’s Chuck is former WWE Diva, Stacy Keibler. The leggy wrestler-turned-actress will follow Olivia Munn and Isaiah Mustafa in the rotating role of Greta, “a recurring character that will be played by a different actor every week.” She will appear in the fall season’s third episode.

Star, Zachary Levi, explains the rotating role:

“Greta can be a guy or a girl, which is brilliant. The Buy More has now been taken over by the CIA and it’s a fully functioning operation by the government, so there are these constant agents that are in the store. First it was Olivia Munn, who looked hot in her little Nerd Herder outfit, and [next was] Isaiah, who was a hoot to work with.”

Keibler will be joined by Nicole Richie and “Stone Cold” Steve Austin who also guest star in this episode to air in October 2010.

[Source] EW