Henry B. Walthall collapsed on the set while filming and died shortly thereafter. The script of the unfinished film was rewritten so that his character would die off-screen, a heart condition having already been established in a previously filmed scene.
Film debut of Wayne Morris (as Navigator on Clipper). During World War 2, Morris would become a U.S. Navy fighter pilot ace and was awarded four Distinguished Flying Crosses.
This film is a disguised biography of aviation pioneer Juan Trippe (1899-1981) and his founding of Pan American World Airways, aka Pan Am.
This film's earliest documented telecasts took place in Tucson AZ Saturday 27 October 1956 on KDWI (Channel 9) and in New York City NY Sunday 28 October 1956 on WABD (Channel 5); it first aired in Indianapolis IN Wednesday 19 December 1956 on WTTV (Channel 10), in San Francisco CA Tuesday 8 January 1957 on KPIX (Channel 5), in Sacramento CA 13 January 1957 on KBET (Channel 10), in Cincinnati OH Sunday 20 January 1957 on WKRC (Channel 12), in Miami FL Thursday 7 February 1957 on WTVJ (Channel 4), and in Chicago IL Monday 8 April 1957 on WGN (Channel 9).