Guest Stars Alessandro Juliani as Dr. Emil Hamilton Alaina Huffman as Dinah Lance / Black Canary Michael Shanks as Carter Hall / Hawkman Britt Irvin as Courtney Whitmore / Stargirl Keri Lynn Pratt as Cat Grant Michael Hogan as Slade Wilson Co Starring Anne Marie DeLuise as TV Reporter Lori Ann Triolo as Lt. Trotter Lane Edwards as Agent James Shepard Ivan Wanis-Ruiz as Sergeant Garcia