The Mentalist will wrap season 7 with a surprise visit from one actor's wife.

'Everything Changes' Before 'The Mentalist' Finale, Rockmond Dunbar Teases End Of Series

Maya Gilbert, Rockmond Dunbar's (Agent Abbott) other half, will pop up in "White Orchids." The Banshee actress will grace the series finale as City Clerk Corrine.

First announced by IMDB, the casting rumor was confirmed by Dunbar on Friday.

Will Patrick Jane Remove His Old Wedding Ring On 'The Mentalist'? EP Teases 'Hugely' Important Topic

Other characters rumored to appear in "White Orchinds" include long-time favorites Wayne Rigsby (Owain Yeoman) and Grace Van Pelt (Amanda Righetti). Meanwhile, there is also a chance that the recently introduced Jimmy Lisbon (Robert Belushi) and Stan Lisbon (Derek Phillips) are also expected to make an appearance.

So, why are all these familiar faces making an appearance? Lazarus, the series' upcoming serial killer, could make the case personal by going after Lisbon's (Robin Tunney) friends and family. Or, there could be a more joyous reason for the gathering. A Jisbon wedding would make many Mentalist fans especially happy, but the cast has yet to confirm the notion.

Find out more when The Mentalist airs Wednesdays at 8 p.m. ET. Click the video below to see a preview for the series' next episode, "The Whites of His Eyes."

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The Mentalist, Television, CBS