Guest Stars Donnelly Rhodes as Dr. Cottle Rekha Sharma as Tory Foster Callum Keith Rennie as Number Two Co Starring Bodie Olmos as Lt. Brenden "Hotdog" Constanza Jennifer Halley as Ensign Diana "Hardball" Seelix Tiffany Lyndall-Knight as Hybrid Alisen Down as Jean Barolay Nana Visitor as Emily Kowalski Alana Husband as Nurse Sashon Carolyn Anderson as Barolay Stunt Double