Was Arnold Rothstein an American actor, if no, then what was he?
Michael Stuhlbarg Michael Stuhlbarg ( ; born July 5, 1968) is an American actor. He played troubled university professor Larry Gopnik in the 2009 dark comedy film "A Serious Man", organized-crime boss Arnold Rothstein in the HBO television series "Boardwalk Empire" (2010–2013), René Tabard in "Hugo" (2011), Griffin in "Men in Black 3" (2012), Dr. Flicker in "Blue Jasmine" (2013), Edward G. Robinson in "Trumbo" (2015), computer scientist and inventor Andy Hertzfeld in the biopic "Steve Jobs" (2015), and Nicodemus West in superhero film "Doctor Strange" (2016).
Adolph Caesar Adolph Caesar (December 5, 1933 – March 6, 1986) was an American actor.