Recurring Guest Characters Female Employee (Theranos) 1 guest appearances Fired Employee 1 guest appearances Patient X 1 guest appearances Arizona Doctor 1 guest appearances Man 1 guest appearances Boies Lawyer 1 guest appearances Billy Evans 1 guest appearances Gary Yamamoto 1 guest appearances Last Assistant 1 guest appearances Uber Driver 1 guest appearances Interviewer 1 guest appearances SEC Investigator 1 guest appearances ⇤ « 1 2 3 4 5 » ⇥