Joy Cuff (née Seddon; born 1944) is a sculptor and matte painter. She worked on Thunderbirds, albeit uncredited, in the former capacity, sculpting Ma Tuttle, Jeremiah Tuttle, and other characters.
Outside of Thunderbirds, her work within the film industry includes 2001: A Space Odyssey (1968), The Rumanian Brancusi (1976), and Erik the Viking (1989).
Joy Cuff autograph card by Unstoppable Cards Ltd