Selena Gomez and Jesse Williams on the set of ‘Only Murders In The Building’ Season 3.

Jesse Williams is joining in on the murder mystery fun. Selena Gomez took to Instagram on Tuesday (Feb. 28) to share a photo with the Grey’s Anatomy star, who will be joining the cast of Only Murders in the Building for season three, though she didn’t clarify who Williams will be playing in the popular series.The second season of Murders in the Building, stars Gomez Martin Short and Steven Martin as true-crime enthusiasts who become entangled in a murder case, was released in June.
By the end of the season, Paul Rudd unexpectedly joined the group as Ben Glenroy, the lead in Oliver's (Brief) Broadway production. The next third season is expected to center on the investigation into Glenroy's murder because his character was discovered dead at the conclusion of the season finale.

Ashley Park, who played Emily in Emily in Paris, has already made it known that she will also be a part of the season three cast. Murders? In this building? Park wrote in a caption on TikTok, along with a video in which she, Gomez and Short recreate a scene from the 1942 movie My Sister Eileen. “So excited to join this killer (pun intended) cast of amazing humans.”