The actress passed away in Ojai, California on Thursday (05May11) after suffering congestive heart failure.
Wynter, who was born in Germany and raised in England, trained to be a doctor before pursuing her acting dreams.
She racked up TV credits on shows such as The Man Who Never Was, Wagon Train, Cannon and The Rockford Files, and starred in films including Shake Hands With The Devil with James Cagney, Sink the Bismarck! and Airport.
She is best known for her role as Becky Driscoll in 1956 sci-fi classic Invasion of the Body Snatchers.
Wynter is survived by a son, Mark.