James T. Callahan

James Thomas Callahan was an American film and television actor who appeared in more than 120 films and television programs between 1959 and 2007. He is perhaps best known for his portrayal from 1987 to 1990 of Walter Powell on the syndicated sitcom Charles in Charge, starring Scott Baio.

One of three children, Callahan was born in Grand Rapids, Michigan, to William and Elenora Callahan on October 4, 1930. After his service in the United States Army from 1951 to 1953, he worked for the United States Postal Service. While attending school in the Midwest, he discovered acting and on the advice of a teacher, he enrolled at the University of Washington in Seattle, Washington. He studied drama and graduated in the late 1950s.

Source: Wikipedia