Harry Guardino was an American actor whose career spanned from the early 1950s to the early 1990s. In 1964, he was cast in a short-lived CBS series entitled The Reporter, a drama about a hard-hitting investigative journalist named Danny Taylor. His principal co-star was Gary Merrill as city editor Lou Sheldon. WIth Merrill, he had co-starred the year before in "The Human Factor" episode of The Outer Limits.
Born in Brooklyn, New York, Guardino appeared on stage, in films, and on television. His Broadway theatre credits included A Hatful of Rain, One More River, Anyone Can Whistle, The Rose Tattoo, The Seven Descents of Myrtle, and Woman of the Year.
Guardino's other film credits include Houseboat, Pork Chop Hill, The Five Pennies, King of Kings, The Enforcer, Madigan, Lovers and Other Strangers, and Dirty Harry. He was nominated twice for the Golden Globe Award for Best Supporting Actor. He guest starred on John Cassavetes's 1959–1960 series, Johnny Staccato, the story of a pianist/private detective in New York City.
In 1960, Guardino appeared as Johnny Caldwell in the episodes "Perilous Passage", "The O'Mara's Ladies", and "Daughter of the Sioux" in the NBC western series Overland Trail starring William Bendix and Doug McClure. McClure two years later would join the long-running The Virginian series on NBC after a preceding stint on the CBS detective series Checkmate.