Roberts Scott Blossom (March 25, 1924 – July 8, 2011) was an American theatre, film and television character actor, and poet. He was best known for his roles as Old Man Marley in Home Alone (1990) and as Ezra Cobb in the horror film Deranged (1974). He is also remembered for his supporting roles in films such as The Great Gatsby (1974), Close Encounters of the Third Kind (1977), Escape from Alcatraz (1979), Christine (1983), and The Last Temptation of Christ (1988).
Blossom died on July 8, 2011 at the age of 87 from a stroke. He was residing in a nursing home in Santa Monica, California at the time of his death.