There will be changes in "House of Cards" when it returns for its fourth season next year. Aside from the aftermath of Claire's exit from Frank's life, fans should watch out for the character of Neve Campbell and the possible departure of Michael Kelly from the show.

Kelly recently sat down with Deadline for an interview, which revealed that even the actor is not sure of what's in store for his character in "House of Cards." Kelly admits that even though Beau Willimon told him that the creator won't get rid of Doug Stamper in season 4, nothing's for sure on the Netflix original series.

"It's 'House of Cards,' right? They do not hesitate to kill great characters," Kelly noted during his interview.

Stamper has been the confidant of Frank Underwood in the series for a long time but his continuous allegiance to Kevin Spacey's character has not been easy especially in season 3.

Aside from the possible departure of Michael Kelly from the show, fans should also watch out for the new series regular, Neve Campbell, as she joins the complicated world of the Underwoods.

AV Club reported that speculations claim that Campbell's character will be the half of "a new, younger couple" that will be introduced in the Netflix series to outmatch Kevin Spacey and Robin Wright. But who could be the Neve's new guy? Will he be the as likable but as psychotic as Frank? How will they rival Mr. and Mrs. Underwood?

We previously reported that Kevin Spacey somehow worries for Frank when the show returns as Claire is now free to do whatever she wants. Will Neve Campbell's character help Claire to take away Frank's position from him?

"House of Cards" season 4 might see Doug Stamper getting killed off revealed Michael Kelly himself. What happens to Frank's confidant is something to watch out for in the new season as well as the entry of Neve Campbell and her beau that will rival the Underwoods.