In 2012, a series of Disney pins were released featuring the Muppets in Doombuggies, the cars that transport guests through the ride, alongside many of the 999 ghosts that reside in the mansion.
In August 2015, Rowlf the Dog performed a dramatic reading of lyrics from the song "Grim Grinning Ghosts" in an Oh My Disney video. He's accompanied by a ghost named Bernard (played by Peter Linz) who lurks behind him during the reading. When Rowlf gets to the line about the ghosts coming out to socialize, Bernard ceases his spooky haunting and approaches Rowlf to suggest they go get coffee.
In August 2019, at the D23 Expo, Uncle Deadly was a guest at the Haunted Mansion 50th Anniversary panel, playing the role of the Ghost Host in a dramatic reading of one of Imagineer X. Atencio's early scripts for the attraction.
- John Alexander played a tea ghost in the 2003 movie adaptation
- Eddie Murphy played Jim Evers in the 2003 movie adaptation
- Catherine O'Hara voiced Shock and Sally in Haunted Mansion Holiday
- Vincent Price voiced the Phantom in the DisneyLand Paris version, Phantom Manor
- Paul Reubens voiced Lock in Haunted Mansion Holiday
- Deep Roy played a hitchhiking ghost (the prisoner) in the 2003 movie adaptation
- Jennifer Tilly played Madame Leota in the 2003 movie adaptation