The Horn Blows at Midnight

Allyn Joslyn

Second Trumpeter / Osidro

Reginald Gardiner

Composer / Archie Dexter

Guy Kibbee

Radio Director / The Chief

John Alexander

First Trumpeter / Doremus

Franklin Pangborn

Radio Engineer / Sloan

Margaret Dumont

Mme. Traviata / Miss Rodholder

Robert Blake

Junior Pulplinsky

Ethel Griffies

Lady Stover

Paul Harvey

Hotel Manager Thompson