By Scarlett O’Toole Voice actor Mark Dodson has died at the age of 64 after suffering a “massive heart attack” while sleeping. Mark, who voiced characters in Star Wars: Return of the Jedi, died while in Evansville, Indiana, to attend Horror Con, his heartbroken daughter Ciara has confirmed. The actor sadly died in his sleep before he was able to make it to the convention. Ciara said her dad loved to make appearances at fan conventions and said he “never ceased making me proud”. Ciara said Mark’s legacy will continue to live on through both her and his grandchildren. Mark, who also voiced the l…