Dr. Seth Brundle, also known as Brundlefly, is a fictional character and the tragic hero in David Cronenberg's 1986 remake of The Fly. He is played by Jeff Goldblum, and is one of his most famous roles to date. The character of Brundle was played by Daniel Okulitch in Howard Shore's 2008 opera The Fly in its premiere at the Théâtre du Châtelet in Paris.