Served with the US Naval Reserve

Acted in small roles in Broadway plays

Appeared in TV commercials

First big break, featured performer on "The Danny Kaye Show" (CBS)

Voiced a recurring character, the Great Gazoo, on the popular ABC animated sitcom, "The Flintstones"

Feature debut, "The Last of the Secret Agents?"

Staged comedy sketches for "The Steve Allen Comedy Hour"

Co-starred as part of the company of regulars on the CBS comedy-variety series, "The Carol Burnett Show"

TV-movie debut, "Three's a Crowd" (ABC)

Appeared as a guest on "The Tim Conway Special"

Directed two episodes of "The New Dick Van Dyke Show" (CBS)

Played most noteworthy feature role, Hedley Lamarr, in Mel Brooks's "Blazing Saddles"

Starred as an aging acting teacher in ABC's short-lived series, "The Harvey Korman Show"

Co-starred (with Buddy Hackett) as comic Bud Abbott in the NBC TV-movie, "Bud and Lou"

First lead in a feature, "Americathon"

Appeared as a regular on the failed CBS variety series, "The Tim Conway Show"

Reprised role of Ed Higgins, husband of Burnett's Eunice (based on a series of sketches from "The Carol Burnett Show") for the comedy special "Eunice"

Reprised the role of Ed Higgins for the sitcom spin-off "Mama's Family" (NBC); also directed some episodes

First appeared as Leo Green in an installment of "George Burns Comedy Week"

Once again starred as Leo Green in the short-lived CBS sitcom, "Leo & Liz in Beverly Hills"; created by Steve Martin (also wrote and produced)

Co-directed the CBS Carol Burnett Special, "Carol, Carl, Whoopi and Robin"

Starred in the horror film, "Munchies"

Hosted "Comedy After Hours," a series featuring veteran stand-up comics broadcast on the Playboy Channel

Cast as Reginald J. Tarkington on the short-lived NBC sitcom, "The Nutt House"; produced by Mel Brooks (also wrote)

Co-executive produced (also performed) the CBS special retrospective, "The Carol Burnett Show: A Reunion"

Co-starred in the ensemble comedy feature, "Radioland Murders"; story by George Lucas

Provided the voice of the Dictabird for the live-action feature of "The Flintstones"

Re-teamed with Mel Brooks for the comedy feature, "Dracula: Dead And Loving It"

Voiced Colonel Slaghoople in the live-action prequel "The Flintstones in Viva Rock Vegas"