Guest Stars Eric Szmanda as Gregory "Greg" Sanders Robert David Hall as Dr. Albert "Al" Robbins Archie Kao as Archie Johnson Skip O'Brien as Det. Ray O'Riley Wayne Wilderson as Paramedic Edwin Kelso Currie Graham as Stanley Hunter Maria Celedonio as Melanie Tsianina Joelson as Megan Treadwell Nicole Cannon as Veronica Bradley Faline England as Wendy Michael Goorjian as Aaron Pratt