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 of which he had co-starred alongside actress Karen Dotrice.Ten years after his retirement, Garber contracted hepatitis, which later affected his pancreas. He died of pancreatitis at the age of 21.