Guest Stars Darren Goldstein as Oscar Hodges Kaija Matiss as Mary-Kate Lockhart Mare Winningham as Cherry Lockhart Michael Godere as Caleb Lockhart Danny Fischer as Hal Lockhart Emily Browning as Sierra James Nicolette Robinson as Jane Max Fowler as Colin Christopher Meyer as Anton Gatewood Zenobia Shroff as Priya Ullah Deirdre O'Connell as Athena Bailey Ramón Rodríguez as Ben Cruz Zuhair Haddad as Abdul Ullah Janel Moloney as Ariel Linda Park as Dr. Woo