Séan Joseph McClory (8 March 1924 – 10 December 2003) was an Irish actor whose career spanned six decades and included well over 100 films and television series.

[citation needed] He was the son of Hugh Patrick McClory, an architect and civil engineer, and Mary Margaret (née Ball), a model.

[4] His acting in regional theater included Dial "M" for Murder (1955) at the Sombrero Playhouse in Arizona[5] and Shadow of a Gunman (1984) with the California Artists Repertory Theatre.

[9]: 153 In 1958, McClory was cast as Ted O'Malley in the episode "Short Haul" of the CBS crime drama, Richard Diamond, Private Detective, starring David Janssen.

In 1960 and 1961, McClory appeared in the episodes, "Heads, You Lose" and "Appointment at Tara-Bi", of another ABC series, Adventures in Paradise, starring Gardner McKay.

McClory appeared as Jaimie MacDonald in the 1963 episode "Commando" of the CBS anthology series, GE True, hosted by Jack Webb.

He was cast thereafter in a second-season episode of Irwin Allen's CBS science fiction series Lost in Space called "The Astral Traveller", as a Scottish bagpiping "ghost" named Hamish.