Anecdotes

Warner Bros. technicians duplicated a Boeing 314 Clipper in order to match studio shots with those filmed on location at Lisbon and LaGuardia airports. Boeing built only 12 of these airplanes from 1938 to 1941.

Bette Davis was the original choice to play Sue Mayberry.

Olivia de Havilland turned down the role of Sue Mayberry.

According to contemporary articles in The Hollywood Reporter, Errol Flynn was initially set for the lead in this film and that Loretta Young was being borrowed from Twentieth Century-Fox.

Hattie McDaniel and Butterfly McQueen also starred in Autant en emporte le vent (1939).