Lauri Peters，Lauri played the young and startlingly cute "Mayblossom Haggan", the sweet, down-home, Texas cousin promised to marry "Festus Haggan", in the 1964 episode Gunsmoke: May Blossoms (1964). She also appeared in a second Gunsmoke (1955) episode, Gunsmoke: Take Her, She's Cheap (1964), in 1964, where she portrayed "Allie".