Guest Stars Ric Reitz as Ron Barnett Lou Anne Cooper as Sylvia Barnett Kelly Collins Lintz as Tracy Connelly Bobby Coleman as Jesse Daughtery Rade Serbedzija as Dr. Aleksander Cirko Shishir Kurup as Dr. Krishna Singh Co Starring Caroline Kent as Emily Connelly Victoria Staley as Heather Connelly Jennifer Gatti as Carolyn Pizzoli Ben Jones as Grocery Clerk Jennifer Badger as Kadee Ann Lowry Adam Heffernan as Lab Tech Max Darby as Conf. Goer #4 Emily Labelle as Mallory Kate Leahey as Park Ranger Denise Bass Dayahtry as Annie Parker Carver Johns as Chester Eric Paisley as Conf Goer #3 Billy White as Conf. Goer #2 Monica Williamson as Conf. Goer #1 Lucinda Carmichael as Secretary Thomas Elliott as Co-Worker David Sherrill as Wayne Johnson Fred Maske as Reed Johnson Robert Treveiler as Dr. Hector Falk