AceShowbiz -

"Empire", which has returned for the back half of its third season, aired a teaser which offered the first look at Demi Moore and Eva Longoria. Moore and Longoria are set to guest star on the star-studded series.

Longoria will play Charlotte Frost, a formidable director of Nevada's all powerful state gaming commision. In the teaser aired at the end of Wednesday, March 22 episode, Charlotte is seen walking away, though she looks back to whatever she leaves behind with a complicated expression on her face.

Charlotte possesses full control to make or crush Lucious' (Terrence Howard) dreams of expanding Empire all the way to Las Vegas. An episode featuring Longoria's character is scheduled to air this spring.

The one-minute video also teases a glimpse of Moore's character, a take-change nurse with mysterious past. Donning a doctor white coat with a maroon turtle neck top beneath, she looks at Lucious who is lying unconscious on bed.

Moore's character is set to be introduced in the season 3 finale. Her character is reportedly will become more treacherously entangled with the Lyon family in season 4.

Joining Moore and Longoria, Nia Long appears in the current third season of the series. Long plays Giuliana a.k.a. Giusi, a queenpin who runs a club in Las Vegas. Described as sleek, sexy and cold-blooded, Giusi teams up with a gangster of New York in her attempt to secure her deal with Empire.

Also appearing on the series as guest stars are Rumer Willis, Taye Diggs and Phylicia Rashad.

Starring Taraji P. Henson as Cookie, "Empire" airs Wednesdays at 9 P.M. on FOX.