August 24, 1937 (age 80)
Marlene Callahan is an American Playboy model and actress. She was born on August 24, 1937 in Ventura, California, United States. She was chosen as Playboy's Playmate of the Month in November 1957. Marlene was 20 when she became a Playmate.
Her centerfold was photographed by Vivienne Lapham.