Columbia Pictures' Ship of Fools, also starring Lee Marvin-- Signoret appeared in a few other Hollywood films before returning to France in 1969. In 1962, Signoret translated Lillian Hellman's play The Little Foxes into French for a production in Paris that ran for six months at the Theatre Sarah-Bernhardt. She played the Regina role as well.
Signoret
Lillian Hellman