Project Runway Cast. 1  Stars (210) EDIT Heidi Klum. Host/Judge. 2  Guest Stars (212) EDIT Rachel Roy. Guest Judge. 3  Cameos (23) EDIT Anthony L Williams. Season 7 Designer. 4  Special Guest Stars (6) EDIT Austin Scarlett. Guest Judge. 5  Writers (1) EDIT Eli Holzman. Writer. 6  Directors (1) EDIT Paul Starkman. Director. 7  Crew (19) EDIT Harvey Weinstein.