C.K. will make his debut on the sketch comedy series Saturday when fun. appears as musical guest on the show for the first time.
Hathaway will return for a third time as "SNL" guest host Nov. 10. Rihanna will be the musical act that night.
Renner will be the emcee Nov. 17 when Maroon 5 performs the episode's musical entertainment, NBC said.
Celebrity Breakups and divorces of 2014 [PHOTOS]