Guest Stars Vesper Ruck as Baby Kayla Skyla Fowler as Baby Kayla Devery Jacobs as Britney Mireille Enos as Rebecca Nicholas Lea as Detective Barnes Dani Kind as Trini Rodrigo Fernandez-Stoll as Band Member Patti Kim as Detective Kenji Peter Sarsgaard as Jay Joey King as Kayla Cas Anvar as Sam Alan van Sprang as Greg