The Blonde in 'St. Elmo's Fire': 'Memba Her?! The Blonde in 'St. Elmo's Fire' 'Memba Her?! 6/14/2009 2:45 AM PT Mare Winningham played Wendy Beamish in the 1985 brat pack classic "St. Elmo's Fire." Guess what she looks like now! See Also a-ha: 'Memba Them?! Share on Facebook Share on X Movies Memba Them