Special Guest Stars Melinda Clarke as Lady Heather Guest Stars Eric Szmanda as Gregory "Greg" Sanders Robert David Hall as Dr. Albert "Al" Robbins David Berman as Dr. David Phillips Gerald McCullouch as Bobby Dawson Geoffrey Rivas as Det. Sam Vega Amy Weber as Cocktail Waitress Keilana Smith as Dealer Amaury Nolasco as Hector Delgado Kelly Rowan as Eileen Nelson Stacey Dash as Lab Tech John Benjamin Hickey as Dr. Sidney Cornfeld Danica Stewart as Girl Tracy Vilar as Carla Delgado Nicola Hindshaw as Mona Suyun Kim as Headmistress Mitchell Whitfield as Cameron Nelson Dennis Bertsch as Randolph Perry Anzilotti as Businessman