Warning: This article contains plot spoilers for season three of Revenge that some readers may wish to avoid.
The Simpsons star Yeardley Smith will guest-star in Revenge, it has been revealed.
The actress, who voices Lisa Simpson in the long-running cartoon, will appear in the first episode of the upcoming fourth season.
Smith will play Phyllis, a patient at the mental institution where Victoria Grayson (Madeleine Stowe) is being held following the series three finale, according to TV Line.
It was previously announced that Agents of SHIELD's Elena Satine will appear in the ABC drama in a recurring role as the "slightly unhinged" daughter of a wealthy family.
James Tupper, who plays the now confirmed alive David Clarke, has also been upgraded to series regular status.
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Revenge showrunner Sunil Nayar has said that the fourth series will be "all new in its conception".
Revenge returns to US screens on Sunday, September 28.
