Served in the U.S. Army during the Korean War
While working as an accountant, began writing and performing radio comedy sketches
First comedy album <i>The Button-Down Mind of Bob Newhart</i> reached No. 1 on the LP charts
Starred in "The Bob Newhart Show" variety program for NBC; earned Emmy Award nomination
Made feature debut in Don Siegel's "Hell Is for Heroes"
First substantial acting role, as Willard Gnatpole in "Hot Millions"
Cast as Major Major in "Catch-22," the film version of Joseph Heller's novel directed by Mike Nichols
Starred as Dr. Bob Hartley on "The Bob Newhart Show" (CBS)
Made TV-movie debut in "Thursday's Game" (ABC), written by James L. Brooks
Voiced Bernard in the animated feature "The Rescuers"
Starred in third series "Newhart" (CBS) as Vermont inn owner Dick Loudon
Reprised role as the voice of Bernard for the sequel "The Rescuers Down Under"
Developed and starred in fourth series "Bob" (CBS) as comic book artist Bob McKay
Returned to features in "In and Out" as a high school principal
Co-starred with Judd Hirsch on short-lived CBS sitcom "George & Leo"
Received star on the Hollywood Walk of Fame (January 6)
Appeared in the comedy "Legally Blonde 2: Red, White & Blonde," starring Reese Witherspoon
Played Papa Elf opposite Will Ferrell in the comedy "Elf"
Guest-starred on NBC's "ER" as an elderly architect who befriends Dr. Susan Lewis (Sherry Stringfield) after he tried to commit suicide because he's going blind; received an Emmy nomination for Best Guest Actor in a Drama Series
Played Judson, the head of the Metropolitan Public Library in TNT movie "The Librarian: Quest for the Spear"
Played recurring role on ABC's "Desperate Housewives" as Morty, the on-again/off-again boyfriend of Susan Mayer's (Teri Hatcher) mother
Returned to play Judson for "The Librarian: Return to King Solomon's Mines" (TNT)
Published first book <i>I Shouldn't Even Be Doing This</i>
Reprised role of Judson for third film in trilogy "The Librarian: Curse of the Judas Chalice" (TNT); earned an Emmy nomination for Best Supporting Actor in a Television Movie
Nominated for the 2009 Primetime Emmy Award for Outstanding Supporting Actor In A Miniseries Or A Movie
Appeared in comedy feature "Horrible Bosses"