Rumer Willis, Anjelica Huston and Balthazar Getty on NBC's 'Medium,' May 18

NBC scored some interesting guest stars - Rumer Willis, Anjelica Huston and Balthazar Getty - on Monday's "Medium." Rumer Willis - Here's a look at Rumer from the upcoming episode for May 18 on NBC. © PRN / PR Photos

Rumer Willis - Here's a look at Rumer from the upcoming episode for May 18 on NBC. © PRN / PR PhotosJake Weber and Emmy winner Patricia Arquette star as a husband and wife who deal with Arquette's character Allison's unique ESP visions that help crack troublesome police cases. Arquette stars as well as directs, and Anjelica Huston returns in the Emmy nominated role of Cynthia Keener, a private investigator who worked with Allison Dubois last season and is now serving time in prison for the murder of her daughter's killer.

Here's a look at Rumer from the upcoming episode for May 18 on NBC.Bethany (Rumer Willis) is in over her head and only Allison (Emmy winner Patricia Arquette) can save her: LINKFrom NBC:Episode Title: THE FIRST BITE IS THE DEEPESTMonday, May 18 at 10pm ET/PTIn this episode, Allison reaches out to Cynthia for help when she begins dreaming about a young woman, Bethany (Rumer Willis) who years earlier was a kidnap victim rescued by Cynthia. Jake Weber, Miguel Sandoval, David Cubitt, Maria Lark and Madison & Miranda Carabello also star.