Claim: Seven Days in May stars an American.
Evidence: Directed by John Frankenheimer , it stars Burt Lancaster , Kirk Douglas , Fredric March , and Ava Gardner.
Kirk Douglas -LRB- born Issur Danielovitch , December 9 , 1916 -RRB- is an American actor , producer , director , and author.
Ava Lavinia Gardner -LRB- December 24 , 1922 -- January 25 , 1990 -RRB- was an American actress and singer.
Burton Stephen `` Burt '' Lancaster -LRB- November 2 , 1913 -- October 20 , 1994 -RRB- was an American film actor.