Guest Stars J.K. Simmons as Dr. Clarence Weaver CCH Pounder as Lt. Lee Havercamp Rainn Wilson as Martin Grolsch Marita Geraghty as Jessica Avery Anjul Nigam as Dr. Renfro Elizabeth Connors as Claudia Kramer Max Van Ville as Josh Kramer Co Starring James Shanklin as Physicist January Pugh as Linda Wallace Cody Estes as Ryan Kramer Robert Manning, Jr. as Gerald Wallace Eliza Pryor Nagel as Brandi Kieren van den Blink as Nikki Tanner Richie as David Kramer Dean Shelton as Joshua Kramer
