Professional stage debut at age seven (date approximate)

Appeared on Broadway with Walter Matthau and Ruth Gordon in Lillian Hellman's "My Mother, My Father, and Me"

Toured the US in over a dozen plays

Feature debut, Jerry Lewis' "The Nutty Professor"

Played Wrongo Starr, a recurring character on the cavalry sitcom, "F Troop"

Appeared in the pilot for "Rowan and Martin's Laugh-In"

Cast as a regular for the first four seasons of "Rowan and Martin's Laugh-In"

TV-movie debut, "Every Man Needs One"

Provided the voice of Wilbur the pig in the animated musical feature, "Charlotte's Web"

Played a major supporting role in Robert Altman's "The Long Goodbye"; first collaboration with Altman

Acclaimed for performance in Altman's "Nashville"; also feature debut as songwriter and song performer

Played himself as a spokesman for the fictitious United Appeal for the Dead in John Landis's "The Kentucky Fried Movie"

Provided a voice for "The Biskitts", a children's animated series

Provided a voice for "The Wuzzles", a children's animated series

Provided a voice for "Galaxy High", a sci-fi comedy cartoon

First appearance in a film directed by Joe Dante, "Innerspace"

Guest shot in "The Losers", a Dante-directed episode of "Eerie, Indiana"

Played a recurring role on the drama series "Sisters"

Played a wealthy bar patron in Paul Thomas Anderson's "Magnolia"