Elizabeth Holmes

Self - CEO and Founder of Theranos (archive footage)

Alex Gibney

Self - Narrator / Interviewer

Dan Ariely

Self - Behavioral Economist

Roger Parloff

Self - Fortune

Ken Auletta

Self - The New Yorker

Erika Cheung

Self - Lab Associate

Cheryl Gafner

Self - Receptionist

Dave Philippides

Self - Engineer

Douglas Matje

Self - Biochemist

Ryan Wistort

Self - Research & Development

Tony Nugent

Self - Vice President, Product Development

Phyllis Gardner

Self - Professor of Medicine, Stanford University

Channing Robertson

Self - Theranos Advisor

Don Lucas

Self - Investor

Tim Draper

Self - Investor

Tyler Shultz

Self - Research Engineer

Rochelle Gibbons

Self - Ian Gibbons' Wife

Matt Hernan

Self - Facilities Coordinator

Patrick O'Neill

Self - Chief Creative Officer

Errol Morris

Self

Stephanie Seitz

Self

Serena Stewart

Self - Phlebotomy Trainer

John Carreyrou

Self - The Wall Street Journal, Author, Bad Blood

David Boies III

Self - Boies, Schiller & Flexner LLP