Guest Stars Tami Roman as Maureen "Mo" Williams Brian White as Lt. Carl Davis Kevin Weisman as Steve Balfour Jacob Vargas as Guillermo Dean O'Gorman as Daniel Rudolf Martin as Christian Ellis Gigi Rice as Martha Ellis Shoshana Bush as Chloe Jones Co Starring Amro Salama as Scientist Chris M. Kelly as Kelly Foster Ali Pomerantz as Beth's Mom Bryn Early as Young Beth #1 Amayla Early as Young Beth #2