David Canary, an actor who played twins Adam and Stuart Chandler on the ABC soap opera “All My Children,” died at age 77 of natural causes. Canary made his debut on the show in 1984 and though retiring in 2010 the actor returned briefly before the series finale in 2011. During his acting career, Canary has earned five outstanding actor daytime Emmys and 16 nominations. “You were the epitome of class. It was a joy and an honor to call you a colleague,” said actress Sarah Michelle Gellar of Canary, who appeared on the show as Kendall Hart from 1993 to 1995.