Star Trek: Enterprise actress Linda Park is slated to guest star on an upcoming episode of ABC's Castle in a very important role.

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Is Park's character replacing Richard Castle (Nathan Fillion)? It would certainly seem that way as Park will be playing Inspector Zhang, who Beckett (Stana Katic) is "paired up with, somewhat unwillingly," according to a new TVLine report.

Apparently Park's character is similar to Beckett, "except even better, so that puts Beckett in a bit of a tailspin, to be dealing with somebody who in her eyes is more accomplished and proficient."

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She will be appearing the 17th episode of the season, after the conclusion of the two-parter that airs Monday and the space-themed 16th episode.

It is unknown what Castle's role will be at that point in the season, but by the sound of it, it would seem like he will still be on his own, unable to help or partner back with Beckett.

Castle show runner David Amann previously told Entertainment Weekly that Beckett would be dealing with the question of children going forward.

"After all, she has resolved her mother's murder, she's gotten married to Castle - things are in a pretty stable and good place for her," Amann explained. "But I think that she's wondering what the next step is for her, what is she going to be doing moving forward, and the question of children is of course going to enter into that equation."

Castle airs Mondays at 10 p.m. ET/PT on ABC.

Watch the promo for the next episode of Castle here:

Tags: Castle television ABC