About Mariette Hartley
Mary Loretta Hartley is an American film and television actress. She is possibly best known for her roles in film as Elsa Knudsen in Sam Peckinpah's Ride the High Country (1962), Susan Clabon in Alfred Hitchcock's Marnie (1964), and Betty Lloyd in John Sturges' Marooned (1969). She has appeared extensively on television, with notable roles as Claire Morton in the ABC soap opera Peyton Place (1965), various roles in the CBS television Western drama series Gunsmoke, and a series of commercials with James Garner in the 1970s and 1980s. Hartley's first credited film appearance was alongside Randolph Scott and Joel McCrea in the 1962 Sam Peckinpah Western Ride the High Country; the role earned her a BAFTA award nomination. In 1977, Hartley appeared in the TV movie The Last Hurrah, a political drama based on the Edwin O'Connor novel of the same name; and earned her first Emmy Award nomination. In January 2018, Hartley began a recurring role on the Fox first-responder drama 9-1-1 as Patricia Clark, the Alzheimer's-afflicted mother of dispatcher Abby Clark (Connie Britton).
Biography source: Wikipedia. The profile adds birthday-specific historical context from the Celebs Birthday Today editorial database.