Tom Poston

Thomas Gordon "Tom" Poston (October 17, 1921 – April 30, 2007) was an American television and movie actor. His career began during the 1950s. 
According to USA Today Life editor Dennis Moore, Poston appeared in more sitcoms than any other actor. In the 1980s, he played George Utley, opposite Bob Newhart's character on "Newhart" and Burt Sigurdson in "That '70s Show".
After a short illness, Poston died of respiratory failure on April 30, 2007, in Los Angeles, California at the age of 85.