Roberts Scott Blossom (March 25, 1924 – July 8, 2011) was an American poet and character actor of theatre, film, and television. He was best known for his roles as Old Man Marley in Home Alone (1990) Roberts Scott Blossom (March 25, 1924 – July 8, 2011) was an American poet and character actor of theatre, film, and television. He was best known for his roles as Old Man Marley in Home Alone (1990)