Matt Damon as Narrator

William Ackman as Self - Hedge Fund Manager

Barack Obama as Self (archive footage)

George W. Bush as Self (archive footage)

Jonathan Alpert as Self - Therapist

Christine Lagarde as Self - Finance Minister, France

Ann Curry as Self (archive footage) (uncredited)

Daniel Alpert as Self - Managing Director, Westwood Capital

Sigridur Benediktsdottir as Self - Special Investigative Committee, Icelandic Parliament

Gylfi Zoega as Self - Professor of Economics, University of Iceland

Andri Snær Magnason as Self - Writer & Filmmaker

Paul Volcker as Self - Former Federal Reserve Chairman

Dominique Strauss-Kahn as Self - Managing Director, International Monetary Fund

George Soros as Self - Chairman, Soros Fund Management

Barney Frank as Self - Chairman, Financial Services Committee

Scott Talbott as Self - Chief Lobbyist, Financial Services Roundtable

Andrew Sheng as Self - Chief Adviser, China Banking Regulatory Commission

Lee Hsien Loong as Self - Prime Minister, Singapore

Gillian Tett as Self - U.S. Managing Editor, The Financial Times

Nouriel Roubini as Self - Professor, NYU Business School

R. Glenn Hubbard as Self - Chief Economic Adviser, Bush Administration

Eliot Spitzer as Self - Former Governor, New York

Samuel Hayes as Self - Professor of Investment Banking, Harvard Business School

Charles Morris as Self - Author, The Two Trillion Dollar Meltdown

Robert Gnaizda as Self - Former Director, Greenlining Institute

Willem Buiter as Self - Chief Economist, Citigroup

Andrew Lo as Self - Director, MIT Laboratory for Financial Engineering

Michael Greenberger as Himself - Former Deputy Director, Commodity Futures Trading Commission

Satyajit Das as Self - Derivatives Consultant

Frank Partnoy as Himself - Professor of Law & Finance, University of California San Diego

Eric Halperin as Self - Director, Center for Responsible Learning

Martin Wolf as Self - Chief Economics Commentator, The Financial Times

Kenneth Rogoff as Self - Professor of Economics, Harvard

Raghuram Rajan as Self - Chief Economist, International Monetary Fund

Lawrence McDonald as Self - Former Vice President, Lehman Brothers

Harvey Miller as Self - Lehman's Bankruptcy Lawyer

Kristin Davis as Self - Manhattan Madam

Allan Sloan as Self - Senior Editor, Fortune Magazine

Jerome Fons as Self - Former Managing Director, Moody's Rating Agency

Frederic Mishkin as Self - Governor, Federal Reserve

David McCormick as Self - Under Secretary of the Treasury, Bush Administration