For Disney, he voiced Stinky Pete in the 1999 Disney/Pixar film Toy Story 2 and reprised the role again in the video game of the same name, Doctor Frankenollie in the Mickey Mouse short Runaway Brain, Dr. Ivan Krank in Teacher's Pet, and as the Narrator in Mickey's Once Upon a Christmas. He also played Frasier Crane from Cheers in The Magical World of Disney television specials Mickey's 60th Birthday and Disneyland's 35th Anniversary Celebration.
- Mickey's 60th Birthday - Frasier Crane
- Disneyland's 35th Anniversary Celebration - Frasier Crane
- Toy Story 2 - Stinky Pete
- Runaway Brain - Dr. Frankenollie
- Teacher's Pet - Dr. Ivan Krank
- Mickey's Once Upon a Christmas - Narrator
- He was originally going to voice Henry J. Waternoose in the 2013 Disney/Pixar film Monsters University, replacing James Coburn (who had died in 2002), but the character was dropped from the film afterwards for unknown reasons, only making a cameo on a picture.
- Grammer was at one point considered for the role of Jafar in Aladdin. But the role eventually went to Jonathan Freeman.