It looks like a former character from Elementary is set to reprise his role.

Joan's Love Interest In Season 2 Chatter

On Thursday, TV Guide announced that Rich Sommer will return to the series to play Harlan Emple, one of Sherlock's "irregulars." He will apparently come back for the third season and will discover a dead body during some sort of hunt that ought to have a unique type of math.

Sommer is typically known for playing Harry Crane on Mad Men. Some of his other credits include The Devil Wears Prada, The Giant Mechanical Man and Celeste & Jesse Forever.

Sherlock's Mentor Search Chatter

Sommer was in one episode of Elementary in Season 2 and it seems unclear if he'll be a recurring character or not.

Some other characters are expected to join the series, including an apprentice for Holmes and a boyfriend for Joan. TV Line recently announced that Ophelia Lovibond will play the apprentice while Raza Jaffrey will be playng the love interest. Jaffrey's character named Andrew might be one to watch out for though since the site mentioned that he's supposed to be the "anti-Sherlock." He will likely have some issues that will be brought into the series that could involve Sherlock, and might even make things difficult for Joan.

Meanwhile, Sherlock is trying to stay on Joan's good side after spending nearly a year away in London while being careful around Andrew. There's a possible chance though that this might end up with unfortunate results.

Elementary Season 3 is expected to premiere on Thursday, October 30 at 10 p.m. ET on CBS.

Tags: Elementary television CBS