In 1956–1957, Haggerty appeared as Sheriff Elder in nine episodes of the syndicated western-themed crime drama State Trooper. He appeared in three episodes of the syndicated western 26 Men. In 1959, he guest starred in Bruce Gordon's NBC docudrama about the Cold War, Behind Closed Doors.
Haggerty appeared 21 times, including 19 in 1955 and 1956, as newspaperman Marsh Murdock in the ABC/Desilu western series The Life and Legend of Wyatt Earp. In 1960, he appeared as Marshal Bill Thompson in the episode "Alibi" on the ABC/Warner Brothers western series Colt .45.
In 1959, Haggerty portrayed Harry Moxton in the episode "No Laughing Matter" of the NBC crime drama Richard Diamond, Private Detective. Also in 1959, he guest starred on the TV western series Bat Masterson as crooked casino owner Jess Porter.
In 1960, Haggerty appeared as Joe Haynes on the TV western Tales of Wells Fargo in the episode "Doc Dawson". Haggerty guest starred in 1960 in the NBC crime drama Dan Raven and the CBS Rawhide episode "Incident of the Silent Web" in the role of Chaney and he played Sheriff Brinkley in the episode, "Incident at Cactus Wells". He also appeared in the NBC western series The Californians and Riverboat.
Haggerty was cast as Joe Wine in the 1961 episode "Alien Entry" of another syndicated series, The Blue Angels. About this time, he guest starred in the episode "The Green Gamblers" of the syndicated crime drama The Brothers Brannagan. He was also cast in 1963 in an episode of the NBC modern western series Redigo. Haggerty appeared as a guest star in My Favorite Martian as Detective Sergeant Seeley in 1964's episode "Uncle Martin's Broadcast" and as a bank guard in 1965's "Hate Me a Little". In 1967, he portrayed a sheriff on Rango in the episode "A Little Mexican Town." He appeared on Bonanza seven times in various roles between 1962 and 1972.
Death
Haggerty died in Port St. John, Florida, on August 19, 1988, aged 74.[1]
^"Index Record for Donald Haggerty (1914) Veterans Affairs Beneficiary Identification Records Locator Subsystem Death File", Fold3 by Ancestry.com website. Retrieved February 28, 2022. Enlistment Date is listed as "23 Mar 1943" and Release Date is listed as "3 Mar 1946".