'Only Murders in the Building' Season 4 Cast: 3 Confirmed to Return, 3 Could Possibly Return, & 1 Surprise Star Will Be Back!

We just got some news about season 4 of Only Murders in the Building…the newest season is set to take place in Los Angeles!

Now, we’ve gathered up some information from interviews with series co-creator John Hoffman, plus other clues, to bring you the rumored cast list for the new season!

Keep reading for everything we learned…