Cy Davenport
Dr. List
Howard Paige
Danny
Walther Rathenau
Singer
DG
Monsieur Forget
Blackavar (voice)
Prynne
Silversmith
Phillip Gellburg
Pompey
Grant's Father
De Meyer
David Siltz
Dr. List
Dr. Robert Silwood
Tony
Walter Gaskell
Ritz Concierge
Sir Humphrey Appleby
Sir Ludwig Guttman
Dr. List (uncredited)
Senator from Illinois
Johnny Osborne
Carl Buckner
Cameron Pattison
Conti
Chairman Agranat
Sultan Billah
Dr. Lev Botvin
Ferdinand Bloch-Bauer
Andre (anchorman)
Moti
Manny Cossins
Jake Teichberg
Haffinger
Joshua Jopp
Karl Marx
Gabriel Baker
Richard
Loman
President
De los Ríos
Dennis Selinger
Mordecai
Franklin D. Roosevelt
Franz Greenbaum
Ivo Tankic
John Mack
Self
Dr. Weiss
Trotsky
Zylberman
Cecil Bernstein
Josek
Narrator
Self
Mr. Jones
Levi
Claude Monet
Shylock
Mr. Feldwick C. Hackenbush / Septimus (voice)
Reynolds
Embassy Official
Cary Grant’s father
Thomas
Pompey
Simon
Strauss
Phillip Gellburg
Voices (voice)
Pissario
Nic Goldstein
Spinoza