He's best known for his role as Minister For Magic Cornelius Fudge in the Harry Potter films.
He also played the role of Siegfried Farnon in the TV series All Creatures Great and Small.
Robert Hardy has died at the age of 91. The actor enjoyed a career in theatre, television and film for more than 70 years.
His children Emma, Justine and Paul said in the statement: "Dad is also remembered as a meticulous linguist, a fine artist, a lover of music and a champion of literature, as well a highly respected historian, and a leading specialist on the longbow.
They also fondly described the actor as "gruff, elegant, twinkly, and always dignified".