Guest Stars Monique Gabriela Curnen as Melissa Ramirez Adam Irigoyen as Isaac Rodriguez Fiona Fu as CNSA Head / Li Jun Felicia Patti as Cassie Martin Cummins as Jack Willmore Alessandro Juliani as Dr. Lawrence Madigan Donald Sales as Jerry Jay Zhang as Zhang Yong Nadia Hatta as Mei Chen Derrick Su as Zhang Lei Rocky Anderson as Texan Rhys Fleming as Annie