The series stars Peter Dinklage, Nikolaj Coster-Waldau, Lena Headey, Emilia Clarke, Kit Harington, Sophie Turner and Maisie Williams.
Game of Thrones had made its last appearance in the 2017 SDCC.
According to the outlet, HBO and confab organizers are already in the final stages of negotiations.
If the deal pushes through, the show’s panel would be comprised of past and present cast members that could include Emilia Clarke, Kit Harington, Lena Headey, Peter Dinklage, Sophie Turner, John Bradley, Gwendoline Christie, Liam Cunningham, Maisie Williams and Isaac Hempstead Wright.