Bergman shared the roles of Blanc's characters with Greg Burson and Joe Alaskey before their respective deaths in 2008 and 2016, as well as Bob Bergen, Billy West, Jim Cummings, Maurice LaMarche, Fred Tatasciore, and Eric Bauza for various Warner Bros.

The story was picked up on similar TV news magazines shows and helped land him his representation with William Morris Agency following his graduation from Pitt in 1983.

During his time at university, Bergman attended an on-campus lecture by Mel Blanc, who was best known for voicing the Looney Tunes such as Bugs Bunny.

Outside of the Looney Tunes, Bergman also voiced George Jetson and Mr. Spacely in Jetsons: The Movie (1990) when their previous voice actors George O'Hanlon and Mel Blanc both died during production;[6] he had been working at his local radio station in Pennsylvania when he received the call to travel to California and complete the dialogue.

[4] He also returned for the 2015 series New Looney Tunes, voicing Bugs, Foghorn, Sylvester and Elmer Fudd, as well as other minor characters such as Michigan J. Frog.

Bergman is a recurring cast member on Family Guy, usually voicing Fred Flintstone and Sylvester the Cat, as well as The Cleveland Show and American Dad!.

Bergman had a recurring role as a radio intern Gus Kahana on the AMC comedy-drama Remember WENN, which aired in the late 1990s.

His vocal repertoire includes Bugs Bunny, Daffy Duck, Sylvester the Cat, Tweety, Foghorn Leghorn, Elmer Fudd, Porky Pig, Marvin the Martian, Pepé Le Pew, Taz, Yosemite Sam, Speedy Gonzales, Yogi Bear, Huckleberry Hound, Quick Draw McGraw, Snagglepuss, Boo Boo, Ranger Smith, Wally Gator, Pixie and Dixie, Baba Looey, Mr. Jinks, Top Cat, Officer Dibble, Peter Potamus, George Jetson, Elroy Jetson, Astro, Mr. Spacely, Garfield, Fred Flintstone, Barney Rubble, Mr.