Mystery in Swing is a 1940 English-language Action Adventure movie. In and around some great blues, swing and jazz music, a very unpopular band-leader. Prince Ellis, is killed in a Harlem nightclub, and, in and around some great music, a detective finds the lists of suspects is very long, as Prince Ellis was indeed very unpopular with many citizens. Written by Les Adams. Mystery in swing stars Monte Hawley, Marguerite Whitten, Tommie Moore, Edward Thompson, Buck Woods, Jess Lee Brooks and Louise Franklin.