Sandy Johnson (born July 7, 1954, San Antonio, Tx) was Playboy magazine's Playmate of the Month for the June 1974 issue. Her centerfold was photographed by Mario Casilli. After she appeared in Playboy Johnson went into acting. Her credits include 1978's Halloween as Judith Myers, and 1979's H.O.T.S., alongside fellow Playmate Pamela Jean Bryant and eventual Playboy model KC Winkler.
Height: 5' 6", Weight: 114lbs, 35C 24 35
A few PB pics, and her centrefold: