Guest Stars Brian White as Lt. Carl Davis Tami Roman as Maureen "Mo" Williams Kevin Weisman as Steve Balfour Jacob Vargas as Guillermo Gigi Rice as Martha Ellis Dean O'Gorman as Daniel Rudolf Martin as Christian 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