A famed trumpet player is suspected of murdering a blues singer. Using only two minor clues, he narrows the suspects to four people, but only after surviving poison placed on the mouthpiece of his trumpet!
James Bradley
Barbara Quigley
Maxie Margulies
Johnny Sutherland
Maurie Green
Maxine Halbard
Det. Sgt. MacKenzie
Insp. Mulrooney
Jeff Colt
Gloria Lewis Colt
Dresser
Stage manager
Trumpet Salesman
Recording Technician
Barman Mickey
Hotel Bellhop
