see more

Actors Jane Fonda and Michael Sarrazin (1940 - 2011) compete in a dance marathon in the film 'They Shoot Horses, Don't They?', 1969. (Photo by Cinerama/Archive Photos/Getty Images)

Actors Jane Fonda and Michael Sarrazin (1940 - 2011) compete in a dance marathon in the film 'They Shoot Horses, Don't They?', 1969. (Photo by Cinerama/Archive Photos/Getty Images)