Also Read: Malcolm Gladwell's 'Outliers' Anthology Series in Development at HBO Max, Dr. Fauci Set as First SubjectThis “Perry Mason” stars Matthew Rhys as Perry Mason, a low-rent private investigator who is living check-to-check and is haunted by his wartime experiences in France and suffering the effects of a broken marriage; John Lithgow as Elias Birchard “E.B.” Jonathan, a struggling attorney and a semi-regular employer of Mason; Juliet Rylance as Della Street, E.B.