Education
He attended Friends" Central School and Syracuse University.
He attended Friends" Central School and Syracuse University.
Haddon appeared as a prolific actor in television, movies, and on the stage. He served in the United States Merchant Marine during World World War World War II He died in Santa Monica, California, of "complications associated with Lewy body disease, a form of dementia," according to his daughter-in-law, at age 90 on May 10, 2013. Designing Women (1991)
Columbo (1990)
Murder, She Wrote (1986)
Knots Landing (as Doctor Mitch Ackerman) (1984–1985)
Hill Street Blues (1982)
Dallas (as Franklin Horner) (1980–1986)
Quincy, Mechanical Engineering (1977 and 1981)
Lou Grant (1977 and 1981)
One Day at a Time (1976)
Maude (1976)
Mary Hartman, Mary Hartman (as Editor McCullough)(1976)
Good Times (1975)
The Streets of San Francisco (1973 and 1975)
Kojak (1974)
Mannix (1971 and 1973)
The Partridge Family (1970 and 1971)
Mission: Impossible (1969 and 1971)
Room 222 (1969)
The Flying Nun (1968)
My Three Sons (1966)
Hazel (1965)
Dennis the Menace (as Charles Brady) (1961–1963).