Michael Duffield (1915-1986) was an English-born actor who worked in Australia for many decades. He was nominated for the 1979 AACTA Award for Best Actor in a Supporting Role for his role in The Last of the Knucklemen, a role he was reprising from the original stage production. He won awards in 1962 for his performance on stage in The Caretaker. He was survived by a wife and three children.