Image Credit: Getty Images John Candy died more than 20 years ago, but his footprint in the film industry remains. The late actor, who appeared in movies such as Home Alone, Spaceballs and Planes, Trains and Automobiles, will be honored in the upcoming Prime Video documentary I Like Me, which premieres in October 2025. Since John's 1994 death is making headlines again, we're breaking down everything we know about his health. How Did John Candy Die? His Cause of Death A spokesperson for John said he died in Durango, Mexico, on March 4, 1994, of a heart attack while filming Wagons East.