Matthew Adam Garber (25 March 1956 -- 13 June 1977) was a British child actor, best known for his role as Michael Banks in the 1964 film Mary Poppins. He also starred in two other Disney films, The Three Lives of Thomasina and The Gnome - Mobile, all three times appearing alongside actress Karen Dotrice.
who played the little boy in mary poppins
Matthew Adam Garber